1.

If height to width ratio of the window of core-type transformer is increased, then

A. its leakage reactance and percentage voltage regulation will decrease
B. its leakage reactance and percentage voltage regulation will increase
C. its leakage reactance will be unaffected but total space in the window will increase to accommodate the windings better
D. efficiency will increase and temperature rise will decrease
Answer» B. its leakage reactance and percentage voltage regulation will increase


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