Isha Lohan posted an Question
November 22, 2020 • 17:38 pm 30 points
  • IIT JAM
  • Physics (PH)

Solve below question

I can't understand how calculations are going in this .

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    Ruby negi Best Answer

    any engine has efficiency less than or equal to carton engine but never greater than it... so option a b is correct.. c d is wrong..

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