1.

A 220 volts input is supplied to a transformer. The output circuit draws a current of 2.0 ampere at 440 volts. If the efficiency of the transformer is 80%, the current drawn by the primary windings of the transformer is

A. 3.6 ampere
B. 2.8 ampere
C. 2.5 ampere
D. 5.0 ampere
Answer» E.


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