Transformers When load on a transformer is increased, the eddy current _____ Is increased Is decreased Remains unchanged None of the listed here Is increased Is decreased Remains unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 400 W 200 W 100 W 50 W 400 W 200 W 100 W 50 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The flux in the core of a single phase transformer is _____ Purely alternating one Purely rotating one None of the listed here Partly alternating and partly rotating Purely alternating one Purely rotating one None of the listed here Partly alternating and partly rotating ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Losses are small Leakage flux is small Iron core is used Applied voltage and frequency are constant Losses are small Leakage flux is small Iron core is used Applied voltage and frequency are constant ANSWER DOWNLOAD EXAMIANS APP
Transformers A tap changer is used on a transformer for None of the listed here Adjustment in both primary and secondary Adjustments in secondary voltage Adjustment in primary voltage None of the listed here Adjustment in both primary and secondary Adjustments in secondary voltage Adjustment in primary voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has small magnitude and low power factor has high magnitude and high power factor has high magnitude and low power factor has small magnitude and high power factor has small magnitude and low power factor has high magnitude and high power factor has high magnitude and low power factor has small magnitude and high power factor ANSWER DOWNLOAD EXAMIANS APP
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