Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Is decreased Is increased None of the listed here Remians unchanged Is decreased Is increased None of the listed here Remians unchanged ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ None of the listed here Currents and induced voltages Resistance and leakage reactances Ampere turns and voltage per turns None of the listed here Currents and induced voltages Resistance and leakage reactances Ampere turns and voltage per turns ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8,800 V 8.8 V 880 V 88 V 8,800 V 8.8 V 880 V 88 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a part of transformer installation? Buchholz relay Conservator Exciter Breather Buchholz relay Conservator Exciter Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Auto transformer Power transformer Current transformer Potential transformer Auto transformer Power transformer Current transformer Potential transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is 13 Ω 7.8 Ω 78 Ω 1.3 Ω 13 Ω 7.8 Ω 78 Ω 1.3 Ω ANSWER DOWNLOAD EXAMIANS APP
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