A Carnot engine whose sink is at 300K has an efficiency of 50%. By hoe much should the temperature of source be increased so as the efficiency becomes 70% ?
(1) 100K
(2) 200K
(3) 300K
(4) 400k ____✌️
My reyal name is prince
and Nick name Harsh
♥️☺️ thank you so much for making me brother my cute sister ☺️♥️
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Answer:
4) 400k.
OK cool
peace ✌
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