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A thermodynamic process of one mole idea...

A thermodynamic process of one mole ideal monoatomic gas is shown in figure. The efficiency of cyclic process `ABCA` will be

A

`25 %`

B

`12.5%`

C

`50%`

D

`7.7%`

Text Solution

Verified by Experts

The correct Answer is:
D
`W = 1/2 P_(0)V_(0) = 1/2P_(0)V_(0)`
Heat supplied `Q_(AB) +Q_(BC) = C_(V)T_(0)+C_(P)2T_(0)+13/2 RT_(0)`
`:. ` Efficiency = `(1/2P_(0)V_(0))/(4P_(0)V_(0)) xx 100`
`( :' 13/2 P_(0)V_(0)=13/2 RT_(0))`

`=1/13 xx 100 = 7.7%`.
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