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? 180 V 18 V 20 V 2 V 180 V 18 V 20 V 2 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The permissible flux density in case of cold rolled grain oriented steel is around 3.7 Wb/m² 4.7 Wb/m² 1.7 Wb/m² 2.7 Wb/m² 3.7 Wb/m² 4.7 Wb/m² 1.7 Wb/m² 2.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. Provide tight magnetic coupling None of the listed here Increase the wight Reduce core loss Provide tight magnetic coupling None of the listed here Increase the wight Reduce core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around near full-load half-load no-load 10% overload near full-load half-load no-load 10% overload ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ None of the listed here Both primary and secondary windings Primary winding only Secondary winding only None of the listed here Both primary and secondary windings Primary winding only Secondary winding only ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it decreases None of these load remains constant load on it increases load on it decreases None of these load remains constant load on it increases ANSWER DOWNLOAD EXAMIANS APP
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