Question

Class 10PhysicsElectricity

Circuit left voltmeter = 10V, right voltmeter = 8V, 4Ω on right

Verified Answer

Voltage across R = 10 − 8 = 2V Current I = V across 4Ω / 4 = 8/4 = 2 A

(a) Current through R = 2 A

(b) R = 2V / 2A = 1 Ω

(c) Battery P.D. = 2 + 8 = 10 V