For the following questions answer them individually
Electrical fault between two windings of same phase of a generator having double star winding can be detected by the following protection in a generator:
Which of the following combination of 3 - phase transformers can be successfully operated in parallel:
A 100 turn coil has inductance of 6 mH. If the number of turns is increased to 200, all other quantities remaining the same, the inductance will be: