Transformers The path of the magnetic flux in transformer should have low reactance high resistance low resistance high reluctance low reactance high resistance low resistance high reluctance ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Iron losses Copper loss Eddy current loss Leakage reactance Iron losses Copper loss Eddy current loss Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary by the flux through air through cooling coil None of these by the flux through air through cooling coil None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means 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 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 ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of 2:1 Can be any ratio 1:1 1:2 2:1 Can be any ratio 1:1 1:2 ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as buzz zoom ringing hum buzz zoom ringing hum ANSWER DOWNLOAD EXAMIANS APP
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