SSC JE Electrical 2018 with solution SET-1
 Which of the following is the CORRECT formula for permeance?

φ/Fm
I/H
Fm/L
B/H

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SSC JE Electrical 2018 with solution SET-1
 A 40KVA transformer has a core loss of 450 W and total loss of 800 W. Find the copper loss for Maximum efficiency

450 W
300 W
350 W
800 W

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