Transformers The temperature rise of transformer is directly proportional to _______ None of the listed here Reactive power Leakage reactance Apparent power None of the listed here Reactive power Leakage reactance Apparent power ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Produces mutually induced emf Helps in transfer of energy Is negligible at full load Is minimised by interleaving the primary and secondary windings Produces mutually induced emf Helps in transfer of energy Is negligible at full load Is minimised by interleaving the primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has None of these high eddy current losses negligibly hysteresis losses reduced magnetic leakage None of these high eddy current losses negligibly hysteresis losses reduced magnetic leakage ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 73 V 880 V 7.3 V 88 V 73 V 880 V 7.3 V 88 V ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the resistance between its primary and secondary is 1 ohm Zero 1000 ohms Infinite 1 ohm Zero 1000 ohms Infinite ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 0.4 9.6 0.96 4 0.4 9.6 0.96 4 ANSWER DOWNLOAD EXAMIANS APP
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