Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is one-fourth the primary current and equal to the primary current equal to the primary current four times the primary current one-fourth the primary current one-fourth the primary current and equal to the primary current equal to the primary current four times the primary current one-fourth the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a None of these routine test type test special test None of these routine test type test special test ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Auto transformer Power transformer Potential transformer Current transformer Auto transformer Power transformer Potential transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers What kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV? 8 kVA 4 kVA 0.25 kVA 16 kVA 8 kVA 4 kVA 0.25 kVA 16 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ Resistance of the two winding are equal Leakage reactance of the two winding Copper loss is equal to constant loss None of the listed here Resistance of the two winding are equal Leakage reactance of the two winding Copper loss is equal to constant loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding None of these is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding None of these ANSWER DOWNLOAD EXAMIANS APP
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