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How much work can be done by 100 calorie...

How much work can be done by `100` calories of heat?

A

100 J

B

420 J

C

42 J

D

4200 J

Text Solution

Verified by Experts

The correct Answer is:
B
`1` calorie = 4.2 j
`:.` Work done = obtained in clories `xx 4.2 j`
or `W = 100 xx 4.2 = 420 j`
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