Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of more than 15 A less than 15 A None of these 15 A more than 15 A less than 15 A None of these 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Hum Magnetostriction Boo Zoom Hum Magnetostriction Boo Zoom ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Air motor Shunt motor Synchronous motor Induction motor Air motor Shunt motor Synchronous motor Induction motor ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has High silicon content High permeability All of the listed here Low hysteresis loss High silicon content High permeability All of the listed here Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Iron losses Winding resistance Leakage reactance Copper losses Iron losses Winding resistance Leakage reactance Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 0.75 V 48 V 0 V 6 V 0.75 V 48 V 0 V 6 V ANSWER DOWNLOAD EXAMIANS APP
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