Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is None of these great than one less than one approximately equal to one None of these great than one less than one approximately equal to one ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Eddy current loss Copper loss Leakage reactance Hysteresis loss Eddy current loss Copper loss Leakage reactance Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Friction Copper Eddy current Hysteresis Friction Copper Eddy current Hysteresis ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of 1:2 1:1 Can be any ratio 2:1 1:2 1:1 Can be any ratio 2:1 ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Current Impedance Power Voltage Current Impedance Power Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Iron core is used Leakage flux is small Losses are small Applied voltage and frequency are constant Iron core is used Leakage flux is small Losses are small Applied voltage and frequency are constant ANSWER DOWNLOAD EXAMIANS APP
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