Question

An electric bulb of 220v is connected to a generator and 0.50 a current is flowing calculate the powervof bulb

Answer 1

P=U x I

so for bulb 1:

220 x 0.5 = 110W

U/I = R

so for bulb 2:

5 x 0.5 = 2.5W

5 / 0.5 = 10 ohms

hope it helped...have a nice day!