Question

An electric heater of power 3 kW is used for 10 hours. How much energy does it consume? Express answer in 1. kWh and 2. Joule

Answer 1

1. E=Pt= 3*10=30kWh 2. E=30* 3.6*10^6 J = 108*10^6 J

Answer 2

Hope this helps uhhh ......