9. In performing the short circuit test of a transformer :
(a) high voltage side is usually short circuited (b) low voltage side is usually short circuited (c) any side is short circuited with preference (d) none of the above
Answer
Answer : (b)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Transformer » Exercise - 18. If the primary power of an ideal transformer having a 2:1 voltage ratio is 100 W, the secondary power is : (a) 50 W (b) 75 W (c) 100 W (d) 200 W
Circuit Breakers » Exercise - 15. For high voltage, ac circuit breakers, the rated short circuit current is passed for : (a) 0.01 sec (b) 0.1 sec (c) 3 seconds (d) 30 seconds
Relays » Exercise - 12. Thermal relays are used for the protection of motors against over-current owing to : (a) Short circuit (b) Heavy loads (c) Earth fault (d) All the above
Transformer » Exercise - 1 1. A transformer transforms : (a) frequency (b) voltage (c) current (d) voltage and current