Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 4 μH 2 mH 2 μH 8 μH 4 μH 2 mH 2 μH 8 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Cellulose Glass fibre Mica Asbestos Cellulose Glass fibre Mica Asbestos ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be open switched fused shorted open switched fused shorted ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is None of these capacitive only inductive only inductive or resistive None of these capacitive only inductive only inductive or resistive ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ Primary reactance is too much increased Magnetising current is abnormally high None of the listed here Permeability of core is increased Primary reactance is too much increased Magnetising current is abnormally high None of the listed here Permeability of core is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have low reactance low resistance high resistance high reluctance low reactance low resistance high resistance high reluctance ANSWER DOWNLOAD EXAMIANS APP
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