Question

A cyclic process is shown in figure. Work done during isobaric expansion is

• A. 1600 J
• B. 100 J
• C. 400 J
• D. 600 J

Answer 1

Answer: (C)

Isobaric expansion is represented by curve $AB$.
Work done = Area under A B
$=2\times 10^2\times (3-1)=4\times 10^2=400J$