Question: A heat engine using lake water at 12C as source and surrounding atmosphere at 2C as sink executes 1080 cycles per minute. If the amount

A heat engine using lake water at 12°C as source and surrounding atmosphere at 2°C as sink executes 1080 cycles per minute. If the amount of heat drawn per cycle is 57 J, then the output of the engine will be :

(a) 66 W

(b) 56 W

(c) 46 W

(d) 36 W

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