In a transformer the voltage regulation will be zero when it operates at (A) unity p.f. (B) leading p.f. (C) lagging p.f. (D) zero p.f. leading.

In a transformer the voltage regulation will be zero when it operates at
(A) unity p.f. (B) leading p.f.
 (C) lagging p.f. (D) zero p.f. leading.
by

1 Answer

Answer :

(B) leading p.f.
by

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