Efficiency of carnot engine was 25% at 2...

Efficiency of carnot engine was `25%` at `27^0 C`. What will be the temperature to increase its efficiency by 100% more.

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Efficiency of Carnot engine is 100% if

The efficiency of Carnot's enegine is 50% . The temperature of its sink is 7^(@)C . To increase its efficiency to 70% . What is the increase in temperature of the source?

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