Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Auto transformer Voltage transformer Current transformer Power transformer Auto transformer Voltage transformer Current transformer Power transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Total equivalent resistance Turn ratio Copper losses Total equivalent leakage reactance Total equivalent resistance Turn ratio Copper losses Total equivalent leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ Remains unchanged Is increased None of the listed here Is decreased Remains unchanged Is increased None of the listed here Is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Air motor Induction motor Shunt motor Synchronous motor Air motor Induction motor Shunt motor Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 4 μH 2 mH 8 μH 2 μH 4 μH 2 mH 8 μH 2 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 900 V 9 V 0.9 V 90 V 900 V 9 V 0.9 V 90 V ANSWER DOWNLOAD EXAMIANS APP
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