Question

A lamp rated 100W at 220V is connected to mains. (i) what is the current drawn? (ii) what is the resistance ?

Answer 1

Answer:

I= P/V .

I = 100 / 220

I = 0.45 A ..

while resistance is R = V / I

R = 220 / 0.45

R = 488 OHM

Please mark it as brainliest