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Prateek Asked :

23-05-2021 Single Phase Transformers

Q. Core flux in the transformer is _______________

A. sinusoidal
B. flat-topped
C. square wave
D. triangular

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Dapzoi Verified
Commented on 2021-05-23 10:49:48 (IST)
Answer : B

Explanation : The supply voltage provides the input current to the transformer primary, here primary current is only sinusoidal magnetizing current. Thus, this sinusoidal magnetic current will produce core flux, flat-topped.