Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Hum Boo Zoom Magnetostriction Hum Boo Zoom Magnetostriction ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer is always a high voltage winding None of these is always a low voltage winding could either be a low voltage or high voltage winding is always a high voltage winding None of these is always a low voltage winding could either be a low voltage or high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Winding resistance Copper losses Iron losses Leakage reactance Winding resistance Copper losses Iron losses Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is equal to the primary current four times the primary current one-fourth the primary current and equal to the primary current one-fourth the primary current equal to the primary current four times the primary current one-fourth the primary current and equal to the primary current one-fourth the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of less than 15 A 15 A None of these more than 15 A less than 15 A 15 A None of these more than 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Leakage reactance Iron losses Copper loss Eddy current loss Leakage reactance Iron losses Copper loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
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