Transformers The iron core is used to ______of the transformer. None of the listed here Increase the wight Provide tight magnetic coupling Reduce core loss None of the listed here Increase the wight Provide tight magnetic coupling Reduce core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine core losses hysteresis losses eddy current losses copper losses core losses hysteresis losses eddy current losses copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Buchholz relay Conservator Breather Exciter Buchholz relay Conservator Breather Exciter 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 16 kVA 0.25 kVA 4 kVA 8 kVA 16 kVA 0.25 kVA 4 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 μH 8 μH 2 mH 4 μH 2 μH 8 μH 2 mH 4 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Power Voltage Frequency Time period Power Voltage Frequency Time period ANSWER DOWNLOAD EXAMIANS APP