Transformers The primary leakage flux links _____ Both primary and secondary windings Secondary winding only None of the listed here Primary winding only Both primary and secondary windings Secondary winding only None of the listed here Primary winding only ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. Provide tight magnetic coupling Increase the wight None of the listed here Reduce core loss Provide tight magnetic coupling Increase the wight None of the listed here Reduce core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer, under heavy loads, is comparatively low because iron loss is increased considerably secondary output is much less as compared to primary input voltage drop both in primary and secondary becomes large copper loss becomes high in proportion to the output iron loss is increased considerably secondary output is much less as compared to primary input voltage drop both in primary and secondary becomes large copper loss becomes high in proportion to the output ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Silicon steel Aluminium Copper Wood Silicon steel Aluminium Copper Wood ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Air motor Synchronous motor Shunt motor Induction motor Air motor Synchronous motor Shunt motor Induction motor ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Copper Eddy current Hysteresis Friction Copper Eddy current Hysteresis Friction ANSWER DOWNLOAD EXAMIANS APP
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