Transformers Which motor is preferred for use in mines where explosive gases exist? Shunt motor Induction motor Synchronous motor Air motor Shunt motor Induction motor Synchronous motor Air motor ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have high reluctance high resistance low resistance low reactance high reluctance high resistance low resistance low reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Leakage reactance Eddy current loss Copper loss Iron losses Leakage reactance Eddy current loss Copper loss Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is 1 V 0 V 0.85 V 1.7 V 1 V 0 V 0.85 V 1.7 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 5 A 15 A 10 A 20 A 5 A 15 A 10 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be shorted open fused switched shorted open fused switched ANSWER DOWNLOAD EXAMIANS APP
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