In operating a 400 Hz transformer at 50 Hz – McqOptions

MCQOPTIONS

1.	In operating a 400 Hz transformer at 50 Hz
A.	Only kVA is reduced in the same proportion as the frequency
B.	Only voltage is reduced in the same proportion as the frequency
C.	None of the above
D.	Both voltage and kVA rating are reduced in the same proportion as the frequency
Answer» E.

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