Electrical Machines
In a dc machine, 1. physically, the brush axis is along the direct axis 2. physically, the brush axis is along the interpolar axis 3. schematically, the brush axis is along the direct axis 4. schematically, the brush axis is along the quadrature axis 5. armaturemmf is directed along the brush axis From these, the correct statements are

 2, 4, 5
 1, 4,5
 2, 3, 5
 1 , 3, 5

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC machine the armature mmf is

  stationary with respect to armature.
  rotating with respect to field poles as well as armature.
  stationary with respect to field poles.
 rotating with respect to field poles.

ANSWER DOWNLOAD EXAMIANS APP