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AP EAMCET · PHYSICS · Thermodynamics

A gas in a closed container undergoes the cycle \(\mathrm{ABCA}\) as shown in the figure. The net heat released by the gas after it has undergone 20 cycles is

  1. A \(3 \mathrm{~kJ}\)
  2. B \(2 \mathrm{~kJ}\)
  3. C \(1.5 \mathrm{~kJ}\)
  4. D \(4.5 \mathrm{~kJ}\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(3 \mathrm{~kJ}\)

Step-by-step Solution

Detailed explanation

As process is cyclic \[ \begin{aligned} \Delta \mathrm{Q} & =\Delta \mathrm{W} \\ \Rightarrow \Delta \mathrm{Q} & =(\text { Area enclosed by } \mathrm{P}-\mathrm{V} \text { diagram }) \times 20 \end{aligned} \]…