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An ideal gas is taken through a cyclic thermodynamic process through four steps. The amount of heat involved in four steps are`Q_(1)=6000J,Q_(2)=-5000J,Q_(3)=5000JandQ_(4)=4000J and W=2000J`
respectively. If efficincy of cycle is `10x%` then find value of x?

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The correct Answer is:
2
The amount of heat supplied `=10,000J`
The work done `=2000j%` efficincy
`(W)/(Q)xx100=(2000)/(10000)xx100=20`
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