Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Auto transformer Current transformer Potential transformer Step-up transformer Auto transformer Current transformer Potential transformer Step-up transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? Secondary winding Low voltage winding High voltage winding Primary winding Secondary winding Low voltage winding High voltage winding Primary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means interchanging two supply phases for quick stopping pulling the motor directly on line without a starter starting the motor on load which is more than the rated load locking of rotor due to harmonics interchanging two supply phases for quick stopping pulling the motor directly on line without a starter starting the motor on load which is more than the rated load locking of rotor due to harmonics ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Leakage reactance Copper loss Hysteresis loss Eddy current loss Leakage reactance Copper loss Hysteresis loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because 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 Applied voltage is sinusoidal Iron core has high permeability Transformer is not an efficient device ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Wood Aluminium Copper Silicon steel Wood Aluminium Copper Silicon steel ANSWER DOWNLOAD EXAMIANS APP
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