Question

An electric heater is rated 1500 W. How much energy does it use in 10 hrs?

URGENT!!!

Answer 1

Given:
Power=1500W=1500/1000=1.5kW
time=t=10hours.
Energy=Power x t
=1.5 X 10
=15kWh
Hence , the energy consumed by the heater in 10h is 15kwH

Answer 2

Power=1500w=1500/1000=1.5kw

time=10hours

Energy=power*time

=1.5*10

=15kwh

Energy used by the heater in 10hours=15kwh