Transformers The steel used for transformer core has High silicon content Low hysteresis loss All of the listed here High permeability High silicon content Low hysteresis loss All of the listed here High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a None of these special test routine test type test None of these special test routine test type test ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 65% 85% 75% 95 % 65% 85% 75% 95 % ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 880 V 88 V 8.8 V 8,800 V 880 V 88 V 8.8 V 8,800 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Transformer is not an efficient device Air is not a good magnetic insulator Iron core has high permeability Applied voltage is sinusoidal Transformer is not an efficient device Air is not a good magnetic insulator Iron core has high permeability Applied voltage is sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 8 μH 2 μH 4 μH 2 mH 8 μH 2 μH 4 μH 2 mH ANSWER DOWNLOAD EXAMIANS APP
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