Question

Find net heat exchanged in the given cyclic process,

(1) 81.5 J

(2) 61.5 J

(3) 100.2 J

(4) 40.2 J

Answer 1

Correct option is (2) 61.5 J

In cyclic process \(\Delta Q = \Delta W \) as \(\Delta U = 0\)

⇒ \(\pi \times \frac{280}2 \times \frac{280}2 \times 10^{-6} \times 10^3\)