9702/22/O/N/15: A 12V battery with internal resistance 0.50 Ω is connected to two identical filament lamps L1 and L2 as shown in Fig. 6.1. The lamps are connected to the battery via switches S1 and S2. The power rating of each lamp is 48W for a potential difference of 12V.
#9702w15p22 #AScircuitsP2 #ASinternalResistanceP2 #ASelectricEnergyPowerP2 #Lv3
(a) S1 is closed and S2 open. State and explain whether the power transformed in L1 is 48W.
(b) S2 is now also closed.
(i) State and explain the effect on the current in L1
ii) State and explain the effect on the resistance of L1
#CurrentOfElectricity Playlist:
[ Ссылка ]
#DCcircuits Chapter Playlist:
[ Ссылка ]
Instagram Pocket Guide ([ Ссылка ])
More Resources ([ Ссылка ])
Support us! ([ Ссылка ])
Tuition/Tutoring inquiries:
Email: suitlin@gmail.com
Whatsapp: [ Ссылка ]
#CambridgeALevelPhysics
9702_w15_qp22
Ещё видео!