Electrical Machines
What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field?

None of these
 Synchronous speed
 Zero
 Slip speed

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP