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
Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is one-fourth the primary current and equal to the primary current equal to the primary current four times the primary current one-fourth the primary current one-fourth the primary current and equal to the primary current equal to the primary current four times the primary current one-fourth the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has high magnitude and high power factor has small magnitude and low power factor has small magnitude and high power factor has high magnitude and low power factor has high magnitude and high power factor has small magnitude and low power factor has small magnitude and high power factor has high magnitude and low power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine copper loss magnetising current efficiency of the transformer magnetising current and loss copper loss magnetising current efficiency of the transformer magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ Permeability of core is increased None of the listed here Magnetising current is abnormally high Primary reactance is too much increased Permeability of core is increased None of the listed here Magnetising current is abnormally high Primary reactance is too much increased ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Eddy current loss Copper loss Leakage reactance Hysteresis loss Eddy current loss Copper loss Leakage reactance Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
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