Transformers If a transformer core has air gaps, then, _________ Eddy current is increased Magnetising current is greatly increased Hysteresis loss is decreased Reluctance of magnetic path is decreased Eddy current is increased Magnetising current is greatly increased Hysteresis loss is decreased Reluctance of magnetic path is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Boo Zoom Hum Magnetostriction Boo Zoom Hum Magnetostriction 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 How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 900 V 0.9 V 9 V 90 V 900 V 0.9 V 9 V 90 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as zoom ringing buzz hum zoom ringing buzz hum ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ None of the listed here Has no losses and leakage reactance Has same number of primary and secondary turns Does not work None of the listed here Has no losses and leakage reactance Has same number of primary and secondary turns Does not work ANSWER DOWNLOAD EXAMIANS APP