Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 0.18 18 5.5 0.018 0.18 18 5.5 0.018 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-l)s s.N. (l-s)Ns Ns (Ns-l)s s.N. (l-s)Ns Ns ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has None of these negligibly hysteresis losses high eddy current losses reduced magnetic leakage None of these negligibly hysteresis losses high eddy current losses reduced magnetic leakage ANSWER DOWNLOAD EXAMIANS APP
Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 25 W 0 W 250 W 2.5 W 25 W 0 W 250 W 2.5 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Primary winding Secondary winding Bushings Core Primary winding Secondary winding Bushings Core ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 65% 95 % 85% 75% 65% 95 % 85% 75% ANSWER DOWNLOAD EXAMIANS APP
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