Transformers No-load current of a transformer has has high magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor has small magnitude and high power factor has high magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor has small magnitude and high power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Breather Horn gaps Conservator Thermal overload relays Breather Horn gaps Conservator Thermal overload relays ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it None of these avoids core saturation and high voltage induction protects the primary circuit is safe to human beings None of these avoids core saturation and high voltage induction protects the primary circuit is safe to human beings ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its temperature rise voltage ratio copper loss dielectric strength of oil temperature rise voltage ratio copper loss dielectric strength of oil ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 2 V 180 V 20 V 18 V 2 V 180 V 20 V 18 V ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Copper Friction Eddy current Hysteresis Copper Friction Eddy current Hysteresis ANSWER DOWNLOAD EXAMIANS APP
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