Transformers When load on a transformer is decreased, ______loss is decreased Copper Friction Hysteresis Eddy current Copper Friction Hysteresis Eddy current ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 400 W 50 W 200 W 100 W 400 W 50 W 200 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ Is increased None of the listed here Is decreased Remains unchanged Is increased None of the listed here Is decreased Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Copper losses Winding resistance Iron losses Leakage reactance Copper losses Winding resistance Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Horn gaps Conservator Breather Thermal overload relays Horn gaps Conservator Breather Thermal overload relays ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8.8 V 88 V 8,800 V 880 V 8.8 V 88 V 8,800 V 880 V ANSWER DOWNLOAD EXAMIANS APP
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