Transformers In a transformer the resistance between its primary and secondary is Infinite 1 ohm Zero 1000 ohms Infinite 1 ohm Zero 1000 ohms ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ Magnetising current is abnormally high Permeability of core is increased None of the listed here Primary reactance is too much increased Magnetising current is abnormally high Permeability of core is increased None of the listed here Primary reactance is too much increased ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have high reluctance low reactance high resistance low resistance high reluctance low reactance high resistance low resistance 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 0.2 5 25 0.4 0.2 5 25 0.4 ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a routine test type test special test None of these routine test type test special test None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Uses inductive coupling Uses capacitive coupling Uses electric coupling Is a static device Uses inductive coupling Uses capacitive coupling Uses electric coupling Is a static device ANSWER DOWNLOAD EXAMIANS APP
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