Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 25 0.4 5 0.2 25 0.4 5 0.2 ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Current transformer Voltage transformer Power transformer Auto transformer Current transformer Voltage transformer Power transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Cylindrical type Sandwich type Rectangular type Circular type Cylindrical type Sandwich type Rectangular type Circular type 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 50 W 100 W 400 W 200 W 50 W 100 W 400 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Helps in transfer of energy Produces mutually induced emf Is negligible at full load Is minimised by interleaving the primary and secondary windings Helps in transfer of energy Produces mutually induced emf Is negligible at full load Is minimised by interleaving the primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine copper losses hysteresis losses core losses eddy current losses copper losses hysteresis losses core losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP
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