A gas undergoes a cyclic process with the following states: , , ,

PHYSICS · Single correct · A Level · Physics · Engineering physics · Engineering physics

Problem

A gas undergoes a cyclic process

A\to B\to C\to D\to A

with the following states:

A(1\times10^{5}\,\text{Pa},\;2\,\text{L})

B(3\times10^{5}\,\text{Pa},\;2\,\text{L})

C(3\times10^{5}\,\text{Pa},\;4\,\text{L})

D(1\times10^{5}\,\text{Pa},\;4\,\text{L})

. Segments

AB

and

CD

are isochoric, while

BC

and

DA

are isobaric. Calculate the net work done by the gas in one complete cycle. (a)

800\,\text{J}

(b)

-400\,\text{J}

(c)

400\,\text{J}

(d)

200\,\text{J}