Transformers The voltage transformation ratio of a transformer is equal to the ratio of secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current primary turns to secondary turns secondary terminal voltage to primary applied voltage secondary induced e.m.f. to primary induced e.m.f. secondary current to primary current primary turns to secondary turns secondary terminal voltage to primary applied voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has None of these high eddy current losses negligibly hysteresis losses reduced magnetic leakage None of these high eddy current losses negligibly hysteresis losses reduced magnetic leakage ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means pulling the motor directly on line without a starter interchanging two supply phases for quick stopping locking of rotor due to harmonics starting the motor on load which is more than the rated load pulling the motor directly on line without a starter interchanging two supply phases for quick stopping locking of rotor due to harmonics starting the motor on load which is more than the rated load ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 250 kVA 500 kVA 1000 kVA 3000 kVA 250 kVA 500 kVA 1000 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive or resistive None of these inductive only capacitive only inductive or resistive None of these inductive only capacitive only ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Wood Copper Aluminium Silicon steel Wood Copper Aluminium Silicon steel ANSWER DOWNLOAD EXAMIANS APP
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