Electrical Machines
A flat compound generator is obtained from compound generator by connecting a variable resistor

 in parallel with the series field
 in series with the series field
 in parallel with the shunt field
 in series with the shunt field

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC machine the armature mmf is

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

ANSWER DOWNLOAD EXAMIANS APP