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DeltaE is always positive when...

`DeltaE` is always positive when

A

system absorbs heat and work id done on it.

B

system emits heat and work is done on it.

C

system emits heat and nowork is done on it

D

system absorbs heat and work is done by it

Text Solution

Verified by Experts

The correct Answer is:
a
Heat absorbed increases the internal energy and also work done on a system increases the internal energy.
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PRADEEP-THERMODYNAMICS-COMPETITION FOCUS (JEE ( main andAdvanced ) /Medical Entrance Special)
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