An open circuit test is performed on 50 Hz transformer, using variable – McqOptions

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1.	An open circuit test is performed on 50 Hz transformer, using variable frequency source and keeping V/f ratio constant, to separate its eddy current and hysteresis losses. The variation of core loss/frequency as function of frequency is shown in the figureThe hysteresis and eddy current losses of the transformer at 25 Hz respectively are
A.	250 W and 2.5 W
B.	250 W and 62.5 W
C.	312.5 W and 62.5 W
D.	312.5 W and 250 W
Answer» C. 312.5 W and 62.5 W

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