1.

Short circuit test is performed on a transformer with a certain impressed voltage at rated frequency. If the short circuit test is now performed with the same magnitude of impressed voltage, but at a frequency higher than the rated frequency then the magnitude of current:

A. And power-factor will both increase
B. Will decrease but the power factor will increase
C. Will increase, but power factor will decrease
D. And power factor will both decrease
Answer» E.


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