Question

plz answer... A 4 kW heater is connected to 220 V source of power calculate a)the electric current passing through the heater b)the resistance of the heater c) the electric energy consumed in 2 hours we use of the heater

Answer 1

P=VI

4000=220*I

I=200/11  =18.18A

R=V/I

R=220/200/11

R=2420/200

R=12.1

4*2 =8KWH

Answer 2

I hope it help you answer will be 8kwh