Q.

A polyphase field is

  • APulsating and stationary
  • BPulsating and rotating
  • CConstant in amplitude and rotating at synchronous speed
  • DConstant in amplitude and stationary in space
Correct Answer : (C)

Constant in amplitude and rotating at synchronous speed

Hints :

A polyphase field is Constant in amplitude and rotating at synchronous speed.

Previous

Alternator operates on the principles of

Next

If the prime mover of an alternator supplying load to an infinite bus is suddenly shutdown, then it will

Join The Discussion