Question

An electric heater is rated 1500w. Then the work done by it in an hour is

Answer 1

Hey

--> 1 hour = 3600 s
--> Power = 1500W = 1500 kg m^2 s^(-3)

=> Work done = Power * Time
= 1500 * 3600 = 5400000 J
= 5400kJ

✓✓ Work done by it in an hour = 5400 kJ