The first operation involved in a Carnot cycl | vedclass

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(A) The Carnot cycle consists of the following four reversible processes:$1$. Reversible isothermal expansion: The gas expands at a constant high temp

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Isothermal expansion

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(A) The Carnot cycle consists of the following four reversible processes:$1$. Reversible isothermal expansion: The gas expands at a constant high temperature $T_{high}$ by absorbing heat $Q_{in}$ from the source.$2$. Reversible adiabatic expansion: The gas expands further without any heat exchange,causing the temperature to drop to $T_{low}$.$3$. Reversible isothermal compression: The gas is compressed at a constant low temperature $T_{low}$ by rejecting heat $Q_{out}$ to the sink.$4$. Reversible adiabatic compression: The gas is compressed further without heat exchange,returning the system to its initial state at temperature $T_{high}$.Therefore,the first operation is isothermal expansion.

The first operation involved in a Carnot cycle is

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