1.

A transformer has 350 primary turns and 1050 secondary turns. The primary winding is connected across a 230 V, 50 Hz supply. The induced EMF in the secondary will be

A. 690 V, 50 Hz
B. 690 V, 150 Hz
C. 350 V, 150 Hz
D. 115 V, 50 Hz
Answer» B. 690 V, 150 Hz


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