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When a short-circuit test on a transformer is performed at 25 V, 50 Hz, the drawn current 'I1' is at a lagging pf angle of Φ1. If the test is performed by 25 V, 25 Hz and the drawn current 'I2' is at a lagging power factor angle Φ2 of then | |
A. | I2 > I1 and Φ2 < Φ1 [Correct Answer] |
B. | I2 < I1 and Φ2 < Φ1 [Wrong Answer] |
C. | I2 > I1 and Φ2 > Φ1 [Wrong Answer] |
D. | I2 < I1 and Φ2 > Φ1 [Wrong Answer] |