Transformers In a transformer, leakage flux Is minimised by interleaving the primary and secondary windings Produces mutually induced emf Is negligible at full load Helps in transfer of energy Is minimised by interleaving the primary and secondary windings Produces mutually induced emf Is negligible at full load Helps in transfer of energy ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Uses electric coupling Is a static device Uses inductive coupling Uses capacitive coupling Uses electric coupling Is a static device Uses inductive coupling Uses capacitive coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 μH 8 μH 2 mH 4 μH 2 μH 8 μH 2 mH 4 μH 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 2.5 W 250 W 0 W 25 W 2.5 W 250 W 0 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine copper losses eddy current losses hysteresis losses core losses copper losses eddy current losses hysteresis losses core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be open shorted switched fused open shorted switched fused ANSWER DOWNLOAD EXAMIANS APP
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