Question

an electric iron draw a power of 150 volt when potential difference is 220 volts find the resistance​

Answer 1

Answer:

P= VI

Given: V= 220V

P= 150 watt

P=VI

150= 220 ×I

I= 150/220= 15/22 A

NOW, R=V/I

R= 220÷ 15/22

R=( 220× 22)/15

R= 322.6 ohm