An electric heater is rated 1500 W. How much energy does it use in 10 hours?
Given,
Power, P = 1500 W
= 
KW
= 1.5 kW
Time, t = 10 h
We know that,
Power = 
1.5 = 
Energy used = 1.5 × 10
= 15 kWh
14
An electric heater is rated 1500 W. How much energy does it use in 10 hours?
Given,
Power, P = 1500 W
= KW
= 1.5 kW
Time, t = 10 h
We know that,
Power =
1.5 =
Energy used = 1.5 × 10
= 15 kWh