Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Voltage transformer Auto transformer Power transformer Current transformer Voltage transformer Auto transformer Power transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Transformer is not an efficient device Applied voltage is sinusoidal Air is not a good magnetic insulator Iron core has high permeability Transformer is not an efficient device Applied voltage is sinusoidal Air is not a good magnetic insulator Iron core has high permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Odour Gases Moisture Sludge Odour Gases Moisture Sludge ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Hysteresis losses are reduced Saving in winding material Eddy losses are totally eliminated Copper losses are negligible Hysteresis losses are reduced Saving in winding material Eddy losses are totally eliminated Copper losses are negligible ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Primary winding Low voltage winding High voltage winding Secondary winding Primary winding Low voltage winding High voltage winding Secondary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Volts Volt amperes Amperes Kilowatt Volts Volt amperes Amperes Kilowatt ANSWER DOWNLOAD EXAMIANS APP
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