Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. None of the listed here Equal to Less than Higher than None of the listed here Equal to Less than Higher than ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 15-30% 30-40% 3-5% Above 40% 15-30% 30-40% 3-5% Above 40% ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has small magnitude and low power factor has high magnitude and low power factor has small magnitude and high power factor has high magnitude and high power factor has small magnitude and low power factor has high magnitude and low power factor has small magnitude and high power factor has high magnitude and high power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Hysteresis Friction Copper Eddy current Hysteresis Friction Copper Eddy current ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test of a transformer helps us to find its Cu loss at no load None of the listed here Iron loss Full load cu loss Cu loss at no load None of the listed here Iron loss Full load cu loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 μH 2 mH 8 μH 4 μH 2 μH 2 mH 8 μH 4 μH ANSWER DOWNLOAD EXAMIANS APP
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