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Transformers

Q1: In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues?

A 0 W

B 14.1 W

C 111.5 W

D 1,020 W

ANS:C - 111.5 W

Please give me correct explanation for this question came in KPCL. They gave different answer that what you gave above 120-8.5 = 111.5.

But in KPCL answer key they gave different answer. And I applied the same logic as Indiabix mentioned.



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