Transformers The power transformer is a constant Power device Voltage device Current device Main flux device Power device Voltage device Current device Main flux device ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Cellulose Mica Glass fibre Asbestos Cellulose Mica Glass fibre Asbestos ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Current transformer Auto transformer Power transformer Voltage transformer Current transformer Auto transformer Power transformer Voltage transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has small magnitude and high power factor has high magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor has small magnitude and high power factor has high magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Iron core has high permeability Transformer is not an efficient device Applied voltage is sinusoidal Air is not a good magnetic insulator Iron core has high permeability Transformer is not an efficient device Applied voltage is sinusoidal Air is not a good magnetic insulator ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. The flux density in the core Thickness of core lamination Square of thickness of core lamination The supply frequency The flux density in the core Thickness of core lamination Square of thickness of core lamination The supply frequency ANSWER DOWNLOAD EXAMIANS APP
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