Question

An electric heater converts 1 kJ of electrical energy to
heat energy every second with 100% efficiency. The
power produced is :
(A) 1W
(B)1 kW
(C) 1 MW
(D) 1 kJ
​

Answer 1

Answer:

1kW

Explanation:

As we know that efficiency=  P out /Pin

η=100%

so,Pout =P in×η

P out =1000×100 /100= 1kw.

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