Transformers The power transformer is a constant Power device Voltage device Main flux device Current device Power device Voltage device Main flux device Current device ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Power Current Voltage Impedance Power Current Voltage Impedance ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Has same number of primary and secondary turns Has no losses and leakage reactance None of the listed here Does not work Has same number of primary and secondary turns Has no losses and leakage reactance None of the listed here Does not work ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Magnetically Electrically and magnetically Electrically None of the listed here Magnetically Electrically and magnetically Electrically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 7.3 V 880 V 73 V 88 V 7.3 V 880 V 73 V 88 V ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 9.6 4 0.96 0.4 9.6 4 0.96 0.4 ANSWER DOWNLOAD EXAMIANS APP
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