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The mathematical form of the first law o...

The mathematical form of the first law of thermodynamics when heat(q) is supplied and W is work done by the system(+ve) is:

A

`triangleU=q+W`

B

`triangleU=q-W`

C

`triangleU=-q+W`

D

`triangleU=-q-W`

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The correct Answer is:
B
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