Transformers When load on a transformer is decreased, ______loss is decreased Eddy current Friction Hysteresis Copper Eddy current Friction Hysteresis Copper ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same polarity same number of turns on the secondary side. same kVA rating same efficiency same polarity same number of turns on the secondary side. same kVA rating same efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in All of the listed here increased core losses magnetic interference with communication circuits increased I2R losses All of the listed here increased core losses magnetic interference with communication circuits increased I2R losses ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Is negligible at full load Produces mutually induced emf Is minimised by interleaving the primary and secondary windings Helps in transfer of energy Is negligible at full load Produces mutually induced emf Is minimised by interleaving the primary and secondary windings Helps in transfer of energy ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Cause voltage drop in the windings Increase copper losses None of the listed here Decreases copper losses Cause voltage drop in the windings Increase copper losses None of the listed here Decreases copper losses 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
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