Work done during expansion is positive. ...

Work done during expansion is positive. Explain.

Answer

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Knowledge Check

Choose the correct alternative and write it along with its allotted alphabet: Work done A. is always positive B. is always negative C. can be positive, negative or zero D. can never be zero

A

is always positive

B

is always negative

C

can be positive, negative or zero

D

can never be zero

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