Question

An bulb of resistance 200 ohms. draws a current of 1 ampere calculate power and potential difference and energy if it burning of 5 hours

Answer 1

Hi..

V= IR
V = 200 volts.

Power = V * I = 200 * 1 = 200 w.
Totally in 5 hours the power consumed Is 200 * 5 = 1000 watt hour.
= 1 k w h.



Hope this helps u!