Electrical Machines
Torque angle of a synchorous machine operating from a constant voltage bus is usually defined as the space angle between

 Stator mmf wave and resultant flux density.
 Rotor mmf wave and resultant flux density wave.
  Rotor mmf wave and stator mmf wave.
 Stator mmf wave and resultant mmf wave.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
When the supply terminal of a DC shunt motor are interchanged

 The motor will stop.
 The motor will run much faster in the same direction.
 The direction of rotation will reverse.
  The motor will run at its normal speed in the same direction as before.

ANSWER DOWNLOAD EXAMIANS APP