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Reported Question / Answer
Q.) A machine uses total energy of 5000 J and within the process one-fourth of the energy is lost to the surroundings. The efficiency of the machine is
1)
0.5
2)
0.25
3)
0.9
4)
0.75
5)
NULL
Answer :
4
Thank you for reporting wrong Question / Answer / Options
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Message / Correct Answer / Suggestion
Human Verification : Answer 2 + 3 = ?
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