Transformers The leakage flux in a transformer depends upon load current, voltage and frequency load current and voltage load current load current, voltage, frequency and power factor load current, voltage and frequency load current and voltage load current load current, voltage, frequency and power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers If a power transformer is operated at very high frequencies, then ______ Primary will draw large power Core losses will be excessive Primary reactance is too much increased None of the listed here Primary will draw large power Core losses will be excessive Primary reactance is too much increased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around 25% load 90% load 50% load Zero load 25% load 90% load 50% load Zero load ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Sludge Odour Moisture Gases Sludge Odour Moisture Gases ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Uses capacitive coupling Uses electric coupling Is a static device Uses inductive coupling Uses capacitive coupling Uses electric coupling Is a static device Uses inductive coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Reactive power None of the listed here Leakage reactance Apparent power Reactive power None of the listed here Leakage reactance Apparent power ANSWER DOWNLOAD EXAMIANS APP
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