Transformers An open-circuit test on a transformer is conducted primarily to measure insulation resistance core loss copper loss total loss insulation resistance core loss copper loss total loss ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has 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 has small magnitude and low power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Primary winding Secondary winding High voltage winding Low voltage winding Primary winding Secondary winding High voltage winding Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Applied voltage is sinusoidal Iron core has high permeability Transformer is not an efficient device Air is not a good magnetic insulator Applied voltage is sinusoidal Iron core has high permeability Transformer is not an efficient device Air is not a good magnetic insulator ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. The supply frequency Thickness of core lamination The flux density in the core Square of thickness of core lamination The supply frequency Thickness of core lamination The flux density in the core Square of thickness of core lamination ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 7.3 V 880 V 88 V 73 V 7.3 V 880 V 88 V 73 V ANSWER DOWNLOAD EXAMIANS APP
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