Electrical Machines
In a synchronous generator with constant steam input supplies power to an infinite bus at a lagging power factor. If the excitation is increased

 power angle decrease and power factor increase
 both power angle and power factor decrease
 power angle increase and power factor decrease
 both power angle and power factor increase

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The coil spam

 none of above.
  may or may not be exactly equal to people pitch.
 can never be equal to pole pitch.
 must be exactly equal to people pitch.

ANSWER DOWNLOAD EXAMIANS APP