Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Hum Zoom Boo Magnetostriction Hum Zoom Boo Magnetostriction ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ None of the listed here Decreases copper losses Increase copper losses Cause voltage drop in the windings None of the listed here Decreases copper losses Increase copper losses Cause voltage drop in the windings 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? 16 kVA 4 kVA 8 kVA 0.25 kVA 16 kVA 4 kVA 8 kVA 0.25 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The flux in the core of a single phase transformer is _____ Partly alternating and partly rotating None of the listed here Purely rotating one Purely alternating one Partly alternating and partly rotating None of the listed here Purely rotating one Purely alternating one ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Time period Power Voltage Frequency Time period Power Voltage Frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure copper loss insulation resistance total loss core loss copper loss insulation resistance total loss core loss ANSWER DOWNLOAD EXAMIANS APP
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