Question

An electric heater of power 3 kW is used for 5 minutes. Find the energy supplied by the heater​

Answer 1

Answer:

Hope it helps

Explanation:

Given that,

Power P=3kw

Time t=1min=60s

We know that,

P=

t

E

E=P×t

E=3×10

3

×60

E=180×10

3

E=18×10

4

J

Hence, the energy supply by the heater is 18×10

4

J