A single-phase 100 kVA, 1000 V / 100 V, 50 Hz transformer has a voltag – McqOptions

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1.	A single-phase 100 kVA, 1000 V / 100 V, 50 Hz transformer has a voltage drop of 5% across its series impedance at full load. Of this, 3% is due to resistance. The percentage regulation of the transformer at full load with 0.8 lagging power factor is
A.	4.8
B.	6.8
C.	8.8
D.	10.8
Answer» B. 6.8

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