Transformers The path of the magnetic flux in transformer should have high resistance low reactance high reluctance low resistance high resistance low reactance high reluctance low resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which has core of stainless steel and winding of pure copper metal no losses and magnetic leakage interleaved primary and secondary windings a common core for its primary and secondary windings core of stainless steel and winding of pure copper metal no losses and magnetic leakage interleaved primary and secondary windings a common core for its primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in increased I2R losses All of the listed here magnetic interference with communication circuits increased core losses increased I2R losses All of the listed here magnetic interference with communication circuits increased core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 3000 kVA 500 kVA 1000 kVA 250 kVA 3000 kVA 500 kVA 1000 kVA 250 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Induction motor Air motor Synchronous motor Shunt motor Induction motor Air motor Synchronous motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Copper Hysteresis Eddy current Friction Copper Hysteresis Eddy current Friction ANSWER DOWNLOAD EXAMIANS APP
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