Канал: Physics with Gaurav

A short bar magnet placed with its axis at 30 with an external field of 800 G experience a torque of

A short bar magnet placed with its axis at 30 with an external field of 800 G experience a torque of

In Fig. 5.4(b), the magnetic needle has magnetic moment 6.7*10-2 Am2 and moment of inertia I = 7.5

In Fig. 5.4(b), the magnetic needle has magnetic moment 6.7*10-2 Am2 and moment of inertia I = 7.5

A circular coil of 30 turns and radius 8.0 cm carrying a current of 6.0 A is suspended vertically in

A circular coil of 30 turns and radius 8.0 cm carrying a current of 6.0 A is suspended vertically in

In Exercise 4.11obtain the frequency of revolution of the electron in its circular orbit. Does the

In Exercise 4.11obtain the frequency of revolution of the electron in its circular orbit. Does the

In a chamber, a uniform magnetic field of 6.5 G ( 1G = 10-4 T) is maintained. An electron is short

In a chamber, a uniform magnetic field of 6.5 G ( 1G = 10-4 T) is maintained. An electron is short

Two moving coil meters, M1 and M2 have the following particulars

Two moving coil meters, M1 and M2 have the following particulars

A square coil of side 10 cm consists of 20 turns and carries a current of 12 A. The coil is

A square coil of side 10 cm consists of 20 turns and carries a current of 12 A. The coil is

A closely wound solenoid 80cm long has 5 layers of windings of 400 turns each. The diameter of the

A closely wound solenoid 80cm long has 5 layers of windings of 400 turns each. The diameter of the

Two long and parallel straight wires A and B carrying currents of 8.0 A and 5.0 A in the same direct

Two long and parallel straight wires A and B carrying currents of 8.0 A and 5.0 A in the same direct

A 3.0 cm wire carrying a current of 10 A is placed inside a solenoid perpendicular to its axis.

A 3.0 cm wire carrying a current of 10 A is placed inside a solenoid perpendicular to its axis.

What is the magnitude of the magnetic force per unit length on a wire carrying a current of 8 A

What is the magnitude of the magnetic force per unit length on a wire carrying a current of 8 A

A horizontal overhead power line carries a current of 90 A in east to west direction.

A horizontal overhead power line carries a current of 90 A in east to west direction.

A long straight wire in the horizontal plane carries a current of 50 A in north to south direction.

A long straight wire in the horizontal plane carries a current of 50 A in north to south direction.

A long straight wire carries a current of 35 A. What is the magnitude of field B at a point 20 cm

A long straight wire carries a current of 35 A. What is the magnitude of field B at a point 20 cm

A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A.

A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A.

In the circuit (Fig. 4.27) the current is to be measured. What is the value of

In the circuit (Fig. 4.27) the current is to be measured. What is the value of

A current-carrying circular loop lies on a smooth horizontal plane. Can a uniform magnetic field be

A current-carrying circular loop lies on a smooth horizontal plane. Can a uniform magnetic field be

A 100 turn closely wound circular coil of radius 10 cm carries a current of 3.2 A. (a) what is the

A 100 turn closely wound circular coil of radius 10 cm carries a current of 3.2 A. (a) what is the

The horizontal component of earths magnetic field at a certain place is 3.0*10^-5 T and the directio

The horizontal component of earths magnetic field at a certain place is 3.0*10^-5 T and the directio

A solenoid of length 0.5 m has a radius of 1 cm and is made up of 500 turns. It carries a current of

A solenoid of length 0.5 m has a radius of 1 cm and is made up of 500 turns. It carries a current of

Figure 4.15 shows a long straight wire of a circular cross-section ( radius a) carrying steady curre

Figure 4.15 shows a long straight wire of a circular cross-section ( radius a) carrying steady curre

Consider a tightly wound 100 turn coil of radius 10 cm, carrying a current of 1 A. What is the magni

Consider a tightly wound 100 turn coil of radius 10 cm, carrying a current of 1 A. What is the magni

A straight wire carrying a current of 12A is bent into a semi-circular arc of radius 2.0 cm as shown

A straight wire carrying a current of 12A is bent into a semi-circular arc of radius 2.0 cm as shown

An element dl = da i is placed at the origin and carries a large current I = 10A ( Fig. 4.10). What

An element dl = da i is placed at the origin and carries a large current I = 10A ( Fig. 4.10). What

A cyclotron’s oscillator frequency is 10 MHz. What should be the operating magnetic field for accele

A cyclotron’s oscillator frequency is 10 MHz. What should be the operating magnetic field for accele

What is the radius of the path of an electron ( mass 9.1 * 10^ -31 kg and charge 1.6 * 10 ^-19 C)

What is the radius of the path of an electron ( mass 9.1 * 10^ -31 kg and charge 1.6 * 10 ^-19 C)

If the magnetic field is parallel to positive y axis and the charged particle is moving along the

If the magnetic field is parallel to positive y axis and the charged particle is moving along the

A straight wire of mass 200 g and length 1.5 m carries a current of 2 A. It is suspended in mid-air

A straight wire of mass 200 g and length 1.5 m carries a current of 2 A. It is suspended in mid-air

Figure 3.34 shows a 2.0 V potentiometer used for the determination of internal resistance of a 1.5 V

Figure 3.34 shows a 2.0 V potentiometer used for the determination of internal resistance of a 1.5 V

Figure 3.33 shows a potentiometer with a cell of 2.0 V and internal resistance 0.40 ohm maintaining

Figure 3.33 shows a potentiometer with a cell of 2.0 V and internal resistance 0.40 ohm maintaining

Determine the current drawn from a 12 V supply with internal resistance 0.5 ohm by the infinite netw

Determine the current drawn from a 12 V supply with internal resistance 0.5 ohm by the infinite netw

Given n resistors each of resistance R, how will you combine them to get the (i) maximum (ii) minimu

Given n resistors each of resistance R, how will you combine them to get the (i) maximum (ii) minimu

Alloys of metal usually (greater/less) resistivity then that of their constituent metals

Alloys of metal usually (greater/less) resistivity then that of their constituent metals

A steady current flows in a metallic conductor of non-uniform cross-section. Which of these quantiti

A steady current flows in a metallic conductor of non-uniform cross-section. Which of these quantiti

What conclusion can you draw from the following observations on a resistor made of alloy manganin

What conclusion can you draw from the following observations on a resistor made of alloy manganin

Two wires of equal length, one of aluminium and the other of copper have the same resistance. Which

Two wires of equal length, one of aluminium and the other of copper have the same resistance. Which

Six lead-acid type of secondary cells each of EMF 2.0 V and internal resistance 0.015 ohm are joined

Six lead-acid type of secondary cells each of EMF 2.0 V and internal resistance 0.015 ohm are joined

The earth’s surface has a negative charge density of 10 ^-9 C m^-2. The potential difference of 400

The earth’s surface has a negative charge density of 10 ^-9 C m^-2. The potential difference of 400

The number density of free electrons in a copper conductor estimated in Example 3.1 is 8.5 * 10^28 m

The number density of free electrons in a copper conductor estimated in Example 3.1 is 8.5 * 10^28 m

In a potentiometer arrangement, a cell of emf 1.25 V gives a balance point at 35.0 cm length of wire

In a potentiometer arrangement, a cell of emf 1.25 V gives a balance point at 35.0 cm length of wire

A storage battery of emf 8.0 V and internal resistance 0.5 ohm is being charged by a 120 V dc suppl

A storage battery of emf 8.0 V and internal resistance 0.5 ohm is being charged by a 120 V dc suppl

In a meter bridge fig. 3.27 , the balance point is found to be at 39.5 cm from the end A, when the

In a meter bridge fig. 3.27 , the balance point is found to be at 39.5 cm from the end A, when the

Determine the current in each branch of the network shown in the fig. 3.30.

Determine the current in each branch of the network shown in the fig. 3.30.

A heating element using nichrome connected to a 230 V supply draws an initial current of 3.2 A which

A heating element using nichrome connected to a 230 V supply draws an initial current of 3.2 A which

A silver wire has a resistance of 2.1 ohm at 27.5 •C and resistance of 2.7 ohm at 100 •C. Determine

A silver wire has a resistance of 2.1 ohm at 27.5 •C and resistance of 2.7 ohm at 100 •C. Determine

A negligibly small current is passed through a wire of length 15 m and uniform cross-section 6*10^-7

A negligibly small current is passed through a wire of length 15 m and uniform cross-section 6*10^-7

At a room temperature (27 •C) the resistance of a heating element is 100 ohm. What is the temperatur

At a room temperature (27 •C) the resistance of a heating element is 100 ohm. What is the temperatur

Three resistors 2 ohm, 4 ohm and 5 ohm are combined in parallel, what is the total resistance of the

Three resistors 2 ohm, 4 ohm and 5 ohm are combined in parallel, what is the total resistance of the

Three resistors 1 ohm , 2 ohm, and 3 ohm are connected in series, what is the total resistance of

Three resistors 1 ohm , 2 ohm, and 3 ohm are connected in series, what is the total resistance of

A battery of emf 10 V and internal resistance 3 ohm is connected to a resistor. If the current in

A battery of emf 10 V and internal resistance 3 ohm is connected to a resistor. If the current in

The storage battery of a car has an emf of 12 V. If the internal resistance of the battery is 0.4

The storage battery of a car has an emf of 12 V. If the internal resistance of the battery is 0.4

A resistance of R ohm draws current from a potentiometer. The potentiometer has a total resistance R

A resistance of R ohm draws current from a potentiometer. The potentiometer has a total resistance R

In a meter bridge (Fig 3.27), the null point is found at a distance of 33.7 cm from A. If now a resi

In a meter bridge (Fig 3.27), the null point is found at a distance of 33.7 cm from A. If now a resi

The four arms of Wheatstone bridge (Fig. 3.26) have the following resistances; AB = 100 ohm, BC = 10

The four arms of Wheatstone bridge (Fig. 3.26) have the following resistances; AB = 100 ohm, BC = 10

What is the acceleration of the block and the trolley system shown in Fig. 5.12(a), if the coefficie

What is the acceleration of the block and the trolley system shown in Fig. 5.12(a), if the coefficie

Determine the current in each branch of the network shown in fig.3.24.

Determine the current in each branch of the network shown in fig.3.24.

A battery of 10 V and negligible internal resistance is connected across the diagonally opposite cor

A battery of 10 V and negligible internal resistance is connected across the diagonally opposite cor

See fig. 5.11. A mas of 4 kg rests on a horizontal plane. The plane is gradually inclined until at

See fig. 5.11. A mas of 4 kg rests on a horizontal plane. The plane is gradually inclined until at

Determine the maximum acceleration of the train in which a box lying on its floor will remain statio

Determine the maximum acceleration of the train in which a box lying on its floor will remain statio

A network of resistors is connected to a 16 V battery with internal resistance of 1 ohm as shown in

A network of resistors is connected to a 16 V battery with internal resistance of 1 ohm as shown in

The resistance of the platinum wire of a platinum resistance thermometer at ice point is 5 ohm and

The resistance of the platinum wire of a platinum resistance thermometer at ice point is 5 ohm and

An electric toaster uses nichrome for its heating element. When a negligibly small current passes

An electric toaster uses nichrome for its heating element. When a negligibly small current passes

In a example 3.1, the electron drift speed is estimated to be only a few mm/s for current in the…..

In a example 3.1, the electron drift speed is estimated to be only a few mm/s for current in the…..

Estimate the average drift speed of conduction electrons in a copper wire of cross-sectional area 1

Estimate the average drift speed of conduction electrons in a copper wire of cross-sectional area 1

The top of the atmosphere is at about 400 KV with respect to the surface of the earth, corresponding

The top of the atmosphere is at about 400 KV with respect to the surface of the earth, corresponding

A small sphere of radius r1 and charge q1 is enclosed by a spherical shell of radius r2 and charge q

A small sphere of radius r1 and charge q1 is enclosed by a spherical shell of radius r2 and charge q

In a Van de Graaff generator a spherical metal shell is to be a 15 *10^6 V electrode. The dielectric

In a Van de Graaff generator a spherical metal shell is to be a 15 *10^6 V electrode. The dielectric

Describe schematically the equipotential surfaces corresponding to (a) a constant electric field in

Describe schematically the equipotential surfaces corresponding to (a) a constant electric field in

A parallel plate capacitor is to be designed with a voltage rating 1 kV, using a material of dielect

A parallel plate capacitor is to be designed with a voltage rating 1 kV, using a material of dielect

A cylindrical capacitor has two co-axial cylinder of length 15 cm and radii 1.5 cm and 1.4 cm. The..

A cylindrical capacitor has two co-axial cylinder of length 15 cm and radii 1.5 cm and 1.4 cm. The..

Exercise 2.31Ans carefully : (a) Two large conducting sphere carrying charges Q1 and Q2 are brought

Exercise 2.31Ans carefully : (a) Two large conducting sphere carrying charges Q1 and Q2 are brought

A spherical capacitor has an inner sphere of radius 12 cm and an outer sphere of radius 13 cm. The

A spherical capacitor has an inner sphere of radius 12 cm and an outer sphere of radius 13 cm. The

A spherical capacitor consists of two concentric spherical conductors held in position by suitable

A spherical capacitor consists of two concentric spherical conductors held in position by suitable

Show that the force on each plate of a parallel plate capacitor has a magnitude equal to 1/2QE,

Show that the force on each plate of a parallel plate capacitor has a magnitude equal to 1/2QE,

A 4 uF capacitor is charged by a 200 V supply. It is then disconnected from the supply, and connect

A 4 uF capacitor is charged by a 200 V supply. It is then disconnected from the supply, and connect

The plates of a parallel plate capacitor have an area of 90 cm^2 each and are separated by 2.5 mm.

The plates of a parallel plate capacitor have an area of 90 cm^2 each and are separated by 2.5 mm.

Obtain the equivalent capacitance of the network in Fig. 2.35. For a 300 V supply. Determine the

Obtain the equivalent capacitance of the network in Fig. 2.35. For a 300 V supply. Determine the

What is the area of the plates of 2 F parallel plate capacitor, given that the separation between pl

What is the area of the plates of 2 F parallel plate capacitor, given that the separation between pl

The period of oscillation of simple pendulum is T = 2pie(L/g)^1/2. Measured value of L is 20.0 cm

The period of oscillation of simple pendulum is T = 2pie(L/g)^1/2. Measured value of L is 20.0 cm

An electrical technician requires a capacitance of 2 uf in a circuit across a potential difference

An electrical technician requires a capacitance of 2 uf in a circuit across a potential difference

The length, breadth and thickness of a rectangular sheet of metal 4.324 m, 1.005 m, and 2.01 cm resp

The length, breadth and thickness of a rectangular sheet of metal 4.324 m, 1.005 m, and 2.01 cm resp

Figure 2.34 shows a charge array known as an electric quadrupole, obtain the dependence of potential

Figure 2.34 shows a charge array known as an electric quadrupole, obtain the dependence of potential

Consider three charges q1, q2, q3 each equal to q at the vertices of an equilateral triangle of side

Consider three charges q1, q2, q3 each equal to q at the vertices of an equilateral triangle of side

Two charges -q and +q are located at points (0, 0, -a) and (0, 0, a), respectively. (a) What is the

Two charges -q and +q are located at points (0, 0, -a) and (0, 0, a), respectively. (a) What is the

Two charged conducting spheres of radii a and b are connected to each other by a wire. What is the

Two charged conducting spheres of radii a and b are connected to each other by a wire. What is the

If one of the two electrons of a H2 molecule is removed, we get a hydrogen molecule ion H2+ . In the

If one of the two electrons of a H2 molecule is removed, we get a hydrogen molecule ion H2+ . In the

In a hydrogen atom, the electron and proton are bound at a distance of about 0.53 A: (a) Estimate

In a hydrogen atom, the electron and proton are bound at a distance of about 0.53 A: (a) Estimate

A long charged cylinder of linear charged density is surrounded by a hollow co-axial conducting

A long charged cylinder of linear charged density is surrounded by a hollow co-axial conducting

Show that the normal component of electrostatic field has a discontinuity from one side of a charged

Show that the normal component of electrostatic field has a discontinuity from one side of a charged

A spherical conducting shell of inner radius r1 and outer radius r2 has a charge Q. (a) A charge q

A spherical conducting shell of inner radius r1 and outer radius r2 has a charge Q. (a) A charge q

Two tiny spheres carrying 1.5 uC and 2.5 uC are located 30 cm apart. Find the potential and elect

Two tiny spheres carrying 1.5 uC and 2.5 uC are located 30 cm apart. Find the potential and elect

A cube of side b has a charge q at each of the vertices. Determine the potential and electric field

A cube of side b has a charge q at each of the vertices. Determine the potential and electric field

A charge of 8 mC is located at the origin. Calculate the work done taking a small charge of-2*10^-9C

A charge of 8 mC is located at the origin. Calculate the work done taking a small charge of-2*10^-9C

A 600 pF capacitor is charged by a 200 V supply. It is then disconnected from the supply and is conn

A 600 pF capacitor is charged by a 200 V supply. It is then disconnected from the supply and is conn

A 12 pF capacitor is connected to a 50 V battery. How much electrostatic energy is stored in the cap

A 12 pF capacitor is connected to a 50 V battery. How much electrostatic energy is stored in the cap

Explain what would happen if in the capacitor given in Exercise 2.8, a 3 mm thick mica sheet ( of di

Explain what would happen if in the capacitor given in Exercise 2.8, a 3 mm thick mica sheet ( of di

In a parallel plate capacitor with air between the plates, each plate has an area of 6*10^-3 m^2 and

In a parallel plate capacitor with air between the plates, each plate has an area of 6*10^-3 m^2 and

Three capacitor of capacitance 2 pF, 3 pF and 4 pF are connected in parallel. (a) What is the total

Three capacitor of capacitance 2 pF, 3 pF and 4 pF are connected in parallel. (a) What is the total

Three capacitors each of capacitance 9 pF are connected in series. (a) what is the total capacitance

Three capacitors each of capacitance 9 pF are connected in series. (a) what is the total capacitance

A parallel plate capacitor with air between plates has a capacitance of 8 pF ( 1pF = 10^-12 F). What

A parallel plate capacitor with air between plates has a capacitance of 8 pF ( 1pF = 10^-12 F). What

A spherical conductor of radius 12 cm has a charge of 1.6*10^-7 C distributed uniformly on its surfa

A spherical conductor of radius 12 cm has a charge of 1.6*10^-7 C distributed uniformly on its surfa

Two charges 2uC and -2 uC are placed at points A and B 6 cm apart. (a) identity an equipotential

Two charges 2uC and -2 uC are placed at points A and B 6 cm apart. (a) identity an equipotential

A regular hexagon of side 10 cm has a charge 5 uC at each of its vertices. Calculate the potential

A regular hexagon of side 10 cm has a charge 5 uC at each of its vertices. Calculate the potential

Two charges 5*10^-8 C and-3*10^-8 C are located 16 cm apart. At what distance point(s) on the line

Two charges 510^-8 C and-310^-8 C are located 16 cm apart. At what distance point(s) on the line

A 900 pF capacitor is charged by 100 V battery fig 2.3 a. How much electrostatic energy is stored by

A 900 pF capacitor is charged by 100 V battery fig 2.3 a. How much electrostatic energy is stored by

A network of four 10 uF capacitors is connected to a 500 V supply, as shown in fig. 2.29. Determine

A network of four 10 uF capacitors is connected to a 500 V supply, as shown in fig. 2.29. Determine

A slab of material of dielectric constant K has the same area as the plates of a parallel-plate caps

A slab of material of dielectric constant K has the same area as the plates of a parallel-plate caps

A comb run through one’s dry hair attracts small bits of paper why? What happens if the hair is wet

A comb run through one’s dry hair attracts small bits of paper why? What happens if the hair is wet

A molecule of a substance has a permanent electric dipole moment of magnitude 10^-29 C m. A mole of

A molecule of a substance has a permanent electric dipole moment of magnitude 10^-29 C m. A mole of

Determine the electrostatic potential energy of a system consisting of two charges 7 uC and -2 uC

Determine the electrostatic potential energy of a system consisting of two charges 7 uC and -2 uC

Four charge are arranged at the corners of a square ABCD of side d, as shown in fig 2.15

Four charge are arranged at the corners of a square ABCD of side d, as shown in fig 2.15

Figure 2.8 (a) and (b) show the field lines of a positive and negative point charge respectively

Figure 2.8 (a) and (b) show the field lines of a positive and negative point charge respectively

Two charges 3*10^-8 C and -2*10^-8 C are located 15 cm apart. At what point on the line joining the

Two charges 310^-8 C and -210^-8 C are located 15 cm apart. At what point on the line joining the

See Fig. 5.8. A mass of 6 kg is suspended by a rope of length 2 m from the ceiling. A force of 50 N

See Fig. 5.8. A mass of 6 kg is suspended by a rope of length 2 m from the ceiling. A force of 50 N

Two identical billiard balls strike a rigid wall with the same speed but at different angles and get

Two identical billiard balls strike a rigid wall with the same speed but at different angles and get

Calculate the potential at a point P due to a charge of 4*10^-7 C located 9 cm away

Calculate the potential at a point P due to a charge of 4*10^-7 C located 9 cm away

Suppose that the particle in Exercise 1.33 is an electron projected with velocity vx = 2.0*10^6 m/s.

Suppose that the particle in Exercise 1.33 is an electron projected with velocity vx = 2.0*10^6 m/s.

A particle of mass m and charge (-q) enters the region between the two charged plates initially movi

A particle of mass m and charge (-q) enters the region between the two charged plates initially movi

Consider an arbitrary electrostatic field configuration. A small test charge is placed at a null poi

Consider an arbitrary electrostatic field configuration. A small test charge is placed at a null poi

It is now believed that protons and neutrons (which constitute of ordinary matter) are themselves

It is now believed that protons and neutrons (which constitute of ordinary matter) are themselves

Obtain the formula for the electric field due to long thin wire of uniform density E without using

Obtain the formula for the electric field due to long thin wire of uniform density E without using

A hollow charged conductor has a tiny hole cut into its surface. Show that the electric field in the

A hollow charged conductor has a tiny hole cut into its surface. Show that the electric field in the

A conductor A with a cavity as shown in Fig. 1.36(a) is given a charge Q. Show that the entire charg

A conductor A with a cavity as shown in Fig. 1.36(a) is given a charge Q. Show that the entire charg

In a certain region of space, electric fields is along z-direction throughout. The magnitude of

In a certain region of space, electric fields is along z-direction throughout. The magnitude of

Which among the curves shown in Fig 1.35 cannot possibly represent electrostatic field lines?

Which among the curves shown in Fig 1.35 cannot possibly represent electrostatic field lines?

An oil drop of 12 excess electrons is held stationary under a constant electric field of 2.55*10^4 N

An oil drop of 12 excess electrons is held stationary under a constant electric field of 2.55*10^4 N

A batsman hits back a ball straight in the direction of bowler without changing its initial speed of

A batsman hits back a ball straight in the direction of bowler without changing its initial speed of

The motion of a particle of mass m is described by y = ut + 1/2gt^2. Find the force acting on the

The motion of a particle of mass m is described by y = ut + 1/2gt^2. Find the force acting on the

A bullet of mass 0.04 kg moving with a speed of 90 m/s enters a heavy wooden block and is stopped

A bullet of mass 0.04 kg moving with a speed of 90 m/s enters a heavy wooden block and is stopped

An astronaut accidentally gets separated out of his small spaceship accelerating in inter stellar

An astronaut accidentally gets separated out of his small spaceship accelerating in inter stellar

Two large, thin metal plates are parallel and close to each other. On their inner faces, the plates

Two large, thin metal plates are parallel and close to each other. On their inner faces, the plates

An infinite line charge produces a field of 9*10^4 N/C at a distance of 2 cm.calculate the linear ch

An infinite line charge produces a field of 9*10^4 N/C at a distance of 2 cm.calculate the linear ch

A uniformly charged sphere of 2.4 m diameter has a surface charge density of 80.0 uC/m2

A uniformly charged sphere of 2.4 m diameter has a surface charge density of 80.0 uC/m2

A conducting sphere of radius 10 cm has an unknown charge. If the electric field 20 cm from the cent

A conducting sphere of radius 10 cm has an unknown charge. If the electric field 20 cm from the cent

A point charge causes an electric flux of-1.0*10^3 Nm2/C to pass through spherical Gaussian surface

A point charge causes an electric flux of-1.0*10^3 Nm2/C to pass through spherical Gaussian surface

A point charge of 20 uC is at the centre of a cubic Gaussian surface 9.0 cm on edge. What is the net

A point charge of 20 uC is at the centre of a cubic Gaussian surface 9.0 cm on edge. What is the net

Show that for a projectile the angle between the velocity and the x-axis as a function of time is

Show that for a projectile the angle between the velocity and the x-axis as a function of time is

A cyclist is riding with speed of 27 km/h. As he approaches a circular turn on the road of radius 80

A cyclist is riding with speed of 27 km/h. As he approaches a circular turn on the road of radius 80

A point charge +10 uC is a distance 5 cm directly above the centre of square of side 10 cm, as shown

A point charge +10 uC is a distance 5 cm directly above the centre of square of side 10 cm, as shown

Careful measurement of the electric field at the surface of a black box indicates that the net outwa

Careful measurement of the electric field at the surface of a black box indicates that the net outwa

What is the net flux of the uniform electric field of Exercise 1.15 through a cube of side 20 cm our

What is the net flux of the uniform electric field of Exercise 1.15 through a cube of side 20 cm our

A fighter plane flying horizontally at an altitude of 1.5 km with speed 720 km/h passes directly

A fighter plane flying horizontally at an altitude of 1.5 km with speed 720 km/h passes directly

A bullet fired at an angle of 30 with the horizontal hits the ground 3.0 km away. By adjusting its

A bullet fired at an angle of 30 with the horizontal hits the ground 3.0 km away. By adjusting its

Can you associate vectors with (a) the length of wire bent into a loop (b) plane area (c) a sphere?

Can you associate vectors with (a) the length of wire bent into a loop (b) plane area (c) a sphere?

A vector has both magnitude and direction. Does it mean that anything has magnitude and direction is

A vector has both magnitude and direction. Does it mean that anything has magnitude and direction is

A vector has both magnitude and direction. Dose it have location in space? Can it vary with time? Wi

A vector has both magnitude and direction. Dose it have location in space? Can it vary with time? Wi

An aircraft flying at a height of 3400 m above the ground. If the angle subtended at a ground observ

An aircraft flying at a height of 3400 m above the ground. If the angle subtended at a ground observ

Read each statement below carefully and state, with reasons and examples, if it is true or false A s

Read each statement below carefully and state, with reasons and examples, if it is true or false A s

For any arbitrary motion in space, which of following relations are true

For any arbitrary motion in space, which of following relations are true

Consider a uniform electric field E = 3*10^3 I N/C. (a) what is the flux of this field through a sq

Consider a uniform electric field E = 3*10^3 I N/C. (a) what is the flux of this field through a sq

Figure 1.33 shows tracks of three charged particles in a uniform electrostatic field. Give the signs

Figure 1.33 shows tracks of three charged particles in a uniform electrostatic field. Give the signs

Suppose the spheres A and B in Exercise 1.12 have identical sizes. A third sphere of same size but

Suppose the spheres A and B in Exercise 1.12 have identical sizes. A third sphere of same size but

Two insulated charged copper sphere A and B have their centres separated by a distance of 50 cm.

Two insulated charged copper sphere A and B have their centres separated by a distance of 50 cm.

i and j are unit vectors along x and y axis respectively. What is the magnitude and direction of the

i and j are unit vectors along x and y axis respectively. What is the magnitude and direction of the

A particle starts from the origin at t = 0 s with a velocity of 10.0 j^ m/s and moves in x-y plane

A particle starts from the origin at t = 0 s with a velocity of 10.0 j^ m/s and moves in x-y plane

An electric dipole with dipole moment 4*10^-9 C m is aligned at 30 degree with the direction of a

An electric dipole with dipole moment 4*10^-9 C m is aligned at 30 degree with the direction of a

A system has two charges qa = 2.5 * 10^-7 C and qb = -2.5 *10^-7 C located at points A : (0,0,-15)

A system has two charges qa = 2.5 * 10^-7 C and qb = -2.5 *10^-7 C located at points A : (0,0,-15)

Two point charges qa= 3uC and qb = -3uC are located 20 cm apart in vacuum. (a) What is the electric

Two point charges qa= 3uC and qb = -3uC are located 20 cm apart in vacuum. (a) What is the electric

An electrostatic field line is a continuous curve. That is a field line cannot have sudden breaks,

An electrostatic field line is a continuous curve. That is a field line cannot have sudden breaks,

Four point charges was qa = 2 uC, qb = -5 uC , qc = 2 uC and qd = -5 uC are located at the corners

Four point charges was qa = 2 uC, qb = -5 uC , qc = 2 uC and qd = -5 uC are located at the corners

When a glass rod is rubbed with the silk cloth, charges appear on both. A similar phenomenon is obse

When a glass rod is rubbed with the silk cloth, charges appear on both. A similar phenomenon is obse

(a) Explain the meaning of the statement “electric charge of a body is quantised”. (b) why we can

(a) Explain the meaning of the statement “electric charge of a body is quantised”. (b) why we can

The position of a particle is given by r = 3.0 t i - 2.0 t2 j + 4.0 k m where t is in seconds and

The position of a particle is given by r = 3.0 t i - 2.0 t2 j + 4.0 k m where t is in seconds and

The electrostatic force on a small sphere of charge 0.4 uC due to another small charge -0.8 uC in ai

The electrostatic force on a small sphere of charge 0.4 uC due to another small charge -0.8 uC in ai

What is the force between two small charged spheres having charges of 2*10^-7 C and 3*10^-7 C, place

What is the force between two small charged spheres having charges of 210^-7 C and 310^-7 C, place

Read each statement below carefully and state with reasons, if it is true or false (a) the magnitude

Read each statement below carefully and state with reasons, if it is true or false (a) the magnitude

An aircraft executes a horizontal loop of radius 1.00 km with a steady speed of 900 km/h. Compare

An aircraft executes a horizontal loop of radius 1.00 km with a steady speed of 900 km/h. Compare

A stone tied to the end of a string 80 cm long is whirled in a horizontal circle with a constant

A stone tied to the end of a string 80 cm long is whirled in a horizontal circle with a constant

A cricketer can throw a ball to a maximum horizontal distance of 1000 m. How much high above the

A cricketer can throw a ball to a maximum horizontal distance of 1000 m. How much high above the

The ceiling of a long hall is 25 m high. What is the maximum horizontal distance that a ball is

The ceiling of a long hall is 25 m high. What is the maximum horizontal distance that a ball is

In a harbour, wind is blowing at the speed of 72 km/h and the flag on the mast of a boat anchored in

In a harbour, wind is blowing at the speed of 72 km/h and the flag on the mast of a boat anchored in

An early model for an atom, considered it to have a positively charged point nucleus of charge Ze

An early model for an atom, considered it to have a positively charged point nucleus of charge Ze

An electric field is uniform, and in the positive x direction for positive x, and uniform with the

An electric field is uniform, and in the positive x direction for positive x, and uniform with the

Two small particle of tungsten each weighing 10 mg and each carrying a charge of 10^-8 C are one cen

Two small particle of tungsten each weighing 10 mg and each carrying a charge of 10^-8 C are one cen

The electric field components in Fig 1.27 are Ex = ax1/2, Ey = Ez = 0, in which a = 800 N/Cm1/2. Cal

The electric field components in Fig 1.27 are Ex = ax1/2, Ey = Ez = 0, in which a = 800 N/Cm1/2. Cal

Two charges +- 10 uC are placed 5.0 mm apart. Determine the electric field at (a) a point P on the

Two charges +- 10 uC are placed 5.0 mm apart. Determine the electric field at (a) a point P on the

Two point charges q1 and q2, of magnitude +10^-8 C and -10^-8 C respectively, are placed 0.1 m apart

Two point charges q1 and q2, of magnitude +10^-8 C and -10^-8 C respectively, are placed 0.1 m apart

An electron falls through a distance of 1.5 cm in a uniform electric field of magnitude 2.0*10^4 N/C

An electron falls through a distance of 1.5 cm in a uniform electric field of magnitude 2.0*10^4 N/C

A man can swim with a speed of 4.0 km/h in still water. How long does he take to cross a river 1.0km

A man can swim with a speed of 4.0 km/h in still water. How long does he take to cross a river 1.0km

Rain is falling vertically with a speed of 30m/s. A woman rides a bicycle with a speed of 10 m/s in

Rain is falling vertically with a speed of 30m/s. A woman rides a bicycle with a speed of 10 m/s in

On an open ground, a motorist follows a track that turns to his left by an angle of 60 after every

On an open ground, a motorist follows a track that turns to his left by an angle of 60 after every

A passenger arriving in a new town wishes to go from the station to a hotel located 10 km away on a

A passenger arriving in a new town wishes to go from the station to a hotel located 10 km away on a

Consider the charges q, q and -q placed at the vertices of an equilateral triangle, as shown in fig

Consider the charges q, q and -q placed at the vertices of an equilateral triangle, as shown in fig

A cyclist starts from the centre O of circular park of radius 1km, reaches the edge P of the park

A cyclist starts from the centre O of circular park of radius 1km, reaches the edge P of the park

Three girls skating on a circular ice ground of radius 200 m start from a point P on the edge of the

Three girls skating on a circular ice ground of radius 200 m start from a point P on the edge of the

Given a+b+c+d=0, which of the following statements are correct

Given a+b+c+d=0, which of the following statements are correct

Establish the following vector inequalities geometrically or otherwise:

Establish the following vector inequalities geometrically or otherwise:

Read each statement below carefully and state with reasons if it is true or false

Read each statement below carefully and state with reasons if it is true or false

State with reasons, whether the following algebraic operations with scalar and vector physical quant

State with reasons, whether the following algebraic operations with scalar and vector physical quant

Consider the charges q, q, and -q placed at the vertices of an equilateral triangle, as shown in fig

Consider the charges q, q, and -q placed at the vertices of an equilateral triangle, as shown in fig

Pick out the only vector quantity in the following list: temperature, pressure, impulse, time, power

Pick out the only vector quantity in the following list: temperature, pressure, impulse, time, power

Pick out the two scalar quantities, in the following list. Force, angular momentum, work, current

Pick out the two scalar quantities, in the following list. Force, angular momentum, work, current

State, for each of the following physical quantities, if is a scalar or vector.

State, for each of the following physical quantities, if is a scalar or vector.

An insect trapped in a circular groove of radius 12 cm moves along the groove steadily and completes

An insect trapped in a circular groove of radius 12 cm moves along the groove steadily and completes

A cricket ball is thrown at a speed of 28 m/s in a direction 30 degree above the horizontal.

A cricket ball is thrown at a speed of 28 m/s in a direction 30 degree above the horizontal.

Consider three charges q1, q2, q3, each equal to q at the vertices of an equilateral triangle of sid

Consider three charges q1, q2, q3, each equal to q at the vertices of an equilateral triangle of sid

A charged metallic sphere A is suspended by a nylon thread. Another charged metallic sphere B held

A charged metallic sphere A is suspended by a nylon thread. Another charged metallic sphere B held

Coulomb’s law for electrostatic force between two point charges and Newton’s law for gravitational

Coulomb’s law for electrostatic force between two point charges and Newton’s law for gravitational

A hiker stands on the edge of a cliff 490 m above the ground and throws stone horizontally with an

A hiker stands on the edge of a cliff 490 m above the ground and throws stone horizontally with an

Galileo, in his book Two new sciences, stated that “ for elevations which exceed or fall short of 45

Galileo, in his book Two new sciences, stated that “ for elevations which exceed or fall short of 45