Transformers We can find _______of the transformer with open circuit test. Turn ratio Total equivalent resistance Copper losses Total equivalent leakage reactance Turn ratio Total equivalent resistance Copper losses Total equivalent leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 25 5 0.4 0.2 25 5 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer, under heavy loads, is comparatively low because 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 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 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 V 0.75 V 6 V 48 V 0 V 0.75 V 6 V 48 V ANSWER DOWNLOAD EXAMIANS APP
Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be Ns (Ns-l)s (l-s)Ns s.N. Ns (Ns-l)s (l-s)Ns s.N. ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 0.96 0.4 9.6 4 0.96 0.4 9.6 4 ANSWER DOWNLOAD EXAMIANS APP
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