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A certain electric motor produced 15 kJ ...

A certain electric motor produced 15 kJ of energy each second as numerical work and lost 2kJ as heat to the surroundings. What is the change in the internal energy of the motor and its power supply each second.

A

`-17 kJ`

B

`17 J`

C

`27 kJ`

D

`23 kJ`

Text Solution

Verified by Experts

The correct Answer is:
A

`Q=DeltaU -W`
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