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The efficiency of carnot engine depends ...

The efficiency of carnot engine depends on

A

temperature of sink only

B

temperature of source and sink

C

volume of cylinder of engine

D

temperature of source

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The correct Answer is:
To solve the question regarding the efficiency of a Carnot engine, we can follow these steps: ### Step 1: Understand the Carnot Engine A Carnot engine is an idealized heat engine that operates between two temperature reservoirs. The efficiency of a Carnot engine is determined by the temperatures of these reservoirs. ### Step 2: Write the Formula for Efficiency The efficiency (η) of a Carnot engine is given by the formula: \[ η = 1 - \frac{T_{\text{sink}}}{T_{\text{source}}} \] where: - \(T_{\text{source}}\) is the absolute temperature of the hot reservoir (source). - \(T_{\text{sink}}\) is the absolute temperature of the cold reservoir (sink). ### Step 3: Analyze the Formula From the formula, we can see that: - The efficiency depends on the temperatures of the source and sink. - It does not depend on the working substance or any other factors. ### Step 4: Conclusion Thus, we conclude that the efficiency of a Carnot engine depends solely on the temperatures of the source and sink. ### Final Answer The efficiency of a Carnot engine depends on the temperatures of the hot and cold reservoirs. ---
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