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An ideal gas is made to undergo the cycl...

An ideal gas is made to undergo the cyclic process shown in the figure below. Let `/_\W` depict the work done, `/_\U`be the change in internal energy of the gas and `Q` be the heat added to the gas. sign of each of these three quantities for the whole cycle will be (0 refers to no change)

A

`-,0-`

B

`+,0,+`

C

`0,0,0`

D

`+,+,+`

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The correct Answer is:
A
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