Transformers A step up transformer increases Voltage Frequency Current Power Voltage Frequency Current Power ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer core has air gaps, then, _________ Reluctance of magnetic path is decreased Hysteresis loss is decreased Eddy current is increased Magnetising current is greatly increased Reluctance of magnetic path is decreased Hysteresis loss is decreased Eddy current is increased Magnetising current is greatly increased ANSWER DOWNLOAD EXAMIANS APP
Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 0 V 48 V 0.75 V 6 V 0 V 48 V 0.75 V 6 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Primary winding Secondary winding Low voltage winding High voltage winding Primary winding Secondary winding Low voltage winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it increases load on it decreases load remains constant None of these load on it increases load on it decreases load remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Iron losses Winding resistance Copper losses Leakage reactance Iron losses Winding resistance Copper losses ANSWER DOWNLOAD EXAMIANS APP
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