A single phase transformer has emf per turn having 2310/220 V, 50Hz tr – McqOptions

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1.	A single phase transformer has emf per turn having 2310/220 V, 50Hz transformer as 13 V. The core area is(in square cm)?
A.	393
B.	277.8
C.	358.92
D.	450.03
Answer» B. 277.8

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