NEET - 2013
A gas is taken through the cycle A→B→C→A, as shown. What is the net work done by the gas?
(a)2000J
(b)1000J
(c)Zero
(d)-2000J
(b) Net work done=Area enclosed in pV curve,i.e., ΔABC
=1/2 x 5 x 10-3 x 4 x 105 J
=103 J
=1000
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