Transformers Burden of a current transformer is usually expressed in Kilowatt Volts Amperes Volt amperes Kilowatt Volts Amperes Volt amperes ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Shunt motor Synchronous motor Induction motor Air motor Shunt motor Synchronous motor Induction motor Air motor ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current and loss copper loss magnetising current efficiency of the transformer magnetising current and loss copper loss magnetising current efficiency of the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 μH 2 mH 4 μH 8 μH 2 μH 2 mH 4 μH 8 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Uses capacitive coupling Is a static device Uses inductive coupling Uses electric coupling Uses capacitive coupling Is a static device Uses inductive coupling Uses electric coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 65% 75% 95 % 85% 65% 75% 95 % 85% ANSWER DOWNLOAD EXAMIANS APP
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