Electrical Machines
For the above problem, find the induced voltage of an alternator of it is to deliver a load of 100 A at power factor of 0.8 lagging with terminal voltage of 200 V.

 230 V.
 220 V.
  222 V.
 225 V.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
With the increase in speed of DC motor

 Back emf falls and line current increase.
 Both back emf as well as line current fall.
  Back emf increase but line current falls.
 Both back emf as well as line current increase.

ANSWER DOWNLOAD EXAMIANS APP