Question

Two bulbs A and B are rated 100 W, 120 V and 10 W, 120 V respectively. they are connected across a 120 V source in series . (1)calculate the current through each bulb. (2)which bulb will consume more power ?

Answer 1

firstly, u have to add all the resistors that are connected in series by the formula R1+R2+R3 and then u get the final resistence in the source. then secondly, u put the formula I=V/R after that u will get ur current........