Transformers In case of 3-phase induction motors, plugging means starting the motor on load which is more than the rated load locking of rotor due to harmonics pulling the motor directly on line without a starter interchanging two supply phases for quick stopping starting the motor on load which is more than the rated load locking of rotor due to harmonics pulling the motor directly on line without a starter interchanging two supply phases for quick stopping ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Main flux device Voltage device Power device Current device Main flux device Voltage device Power device Current device ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 18 5.5 0.18 0.018 18 5.5 0.18 0.018 ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer could either be a low voltage or high voltage winding is always a low voltage winding is always a high voltage winding None of these could either be a low voltage or high voltage winding is always a low voltage winding is always a high voltage winding None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine magnetising current and loss core loss efficiency magnetising current copper loss magnetising current and loss core loss efficiency magnetising current copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Mutual induction Self induction Static induction Dynamic induction Mutual induction Self induction Static induction Dynamic induction ANSWER DOWNLOAD EXAMIANS APP
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