Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be (Ns-l)s Ns (l-s)Ns s.N. (Ns-l)s Ns (l-s)Ns s.N. ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer, under heavy loads, is comparatively low because copper loss becomes high in proportion to the output voltage drop both in primary and secondary becomes large secondary output is much less as compared to primary input iron loss is increased considerably copper loss becomes high in proportion to the output voltage drop both in primary and secondary becomes large secondary output is much less as compared to primary input iron loss is increased considerably 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 Copper losses Leakage reactance Iron losses Winding resistance Copper losses Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as hum ringing buzz zoom hum ringing buzz zoom ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Primary winding Core Secondary winding Bushings Primary winding Core Secondary winding Bushings ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine hysteresis losses copper losses core losses eddy current losses hysteresis losses copper losses core losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP
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