Transformers Leakage flux in a transformer occurs because Transformer is not an efficient device Iron core has high permeability Applied voltage is sinusoidal Air is not a good magnetic insulator Transformer is not an efficient device Iron core has high permeability Applied voltage is sinusoidal Air is not a good magnetic insulator ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Energy efficiency None of the listed here Current efficiency Power efficiency Energy efficiency None of the listed here Current efficiency Power efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Power Frequency Current Voltage Power Frequency Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The leakage flux in a transformer depends upon load current load current, voltage and frequency load current, voltage, frequency and power factor load current and voltage load current load current, voltage and frequency load current, voltage, frequency and power factor load current and voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Hysteresis loss Leakage reactance Copper loss Eddy current loss Hysteresis loss Leakage reactance Copper loss Eddy current loss 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 9 V 0.9 V 90 V 900 V 9 V 0.9 V 90 V ANSWER DOWNLOAD EXAMIANS APP
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