Transformers The iron core is used to ______of the transformer. None of the listed here Increase the wight Provide tight magnetic coupling Reduce core loss None of the listed here Increase the wight Provide tight magnetic coupling Reduce core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in magnetic interference with communication circuits All of the listed here increased core losses increased I2R losses magnetic interference with communication circuits All of the listed here increased core losses increased I2R losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Thermal overload relays Conservator Horn gaps Breather Thermal overload relays Conservator Horn gaps Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Current Frequency Voltage Power Current Frequency Voltage Power ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Is increased None of the listed here Is decreased Remians unchanged Is increased None of the listed here Is decreased Remians unchanged ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Total equivalent leakage reactance Copper losses Turn ratio Total equivalent resistance Total equivalent leakage reactance Copper losses Turn ratio Total equivalent resistance ANSWER DOWNLOAD EXAMIANS APP
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