Question

figure shows a battery of 12 V supplying power to two lamps.

The total power supplied is 150 W when both lamps are on.
(i) Calculate the current supplied by the battery when both lamps are on.
(ii) The current in lamp L2 is 5.0 A. Calculate
(a) the current in lamp L₁,
(b) the power of lamp L₁,
(c) the resistance of lamp L₁.

Answer 1

(ii) (a) Current in L₁ = Current supplied – Current in L₂