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Physics-

General

Easy

Question

Work done by the system in closed path $A B C A$ , is

Zero
$(V_{1} - V_{2}) (p_{1} - p_{2})$
$\frac{(p_{2} - p_{1}) (V_{2} - V_{1})}{2}$
$\frac{(p_{1} + p_{1}) (V_{2} - V_{1})}{2}$

The correct answer is: $fraction numerator open parentheses p subscript 2 end subscript minus p subscript 1 end subscript close parentheses left parenthesis V subscript 2 end subscript minus V subscript 1 end subscript right parenthesis over denominator 2 end fraction$

Work done = area of $increment A B C$
$equals fraction numerator A B cross times B C over denominator 2 end fraction equals fraction numerator open parentheses p subscript 2 end subscript minus p subscript 1 end subscript close parentheses left parenthesis V subscript 2 end subscript minus V subscript 1 end subscript right parenthesis over denominator 2 end fraction$

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