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
Transformers The principle of working of transformer is Static induction Mutual induction Self induction Dynamic induction Static induction Mutual induction Self induction Dynamic induction ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has reduced magnetic leakage None of these negligibly hysteresis losses high eddy current losses reduced magnetic leakage None of these negligibly hysteresis losses high eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers If a power transformer is operated at very high frequencies, then ______ None of the listed here Core losses will be excessive Primary will draw large power Primary reactance is too much increased None of the listed here Core losses will be excessive Primary will draw large power Primary reactance is too much increased ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Boo Hum Zoom Magnetostriction Boo Hum Zoom Magnetostriction 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 78 Ω 1.3 Ω 7.8 Ω 13 Ω 78 Ω 1.3 Ω 7.8 Ω 13 Ω ANSWER DOWNLOAD EXAMIANS APP
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