Transformers Leakage flux in a transformer occurs because Iron core has high permeability Air is not a good magnetic insulator Transformer is not an efficient device Applied voltage is sinusoidal Iron core has high permeability Air is not a good magnetic insulator Transformer is not an efficient device Applied voltage is sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Transformers The turns ratio required to match an 80 source to a 320 load is 2 80 20 4 2 80 20 4 ANSWER DOWNLOAD EXAMIANS APP
Transformers The flux in the core of a single phase transformer is _____ Purely rotating one Purely alternating one None of the listed here Partly alternating and partly rotating Purely rotating one Purely alternating one None of the listed here Partly alternating and partly rotating ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 1000 kVA 3000 kVA 500 kVA 250 kVA 1000 kVA 3000 kVA 500 kVA 250 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Voltage Power Impedance Current Voltage Power Impedance Current ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure total loss copper loss core loss insulation resistance total loss copper loss core loss insulation resistance ANSWER DOWNLOAD EXAMIANS APP
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