Electrical Machines
A dc motor with armature resistance of 0.5 ohms connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is

 570 A.
  460 A.
  340 A.
 250 A.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Flashing the field of DC generator means

 increasing flux density by adding extra turns of winding.
  making the magnetic losses forces parallel.
  neutralising residual magnetism.
  creating residual magnetism by a DC source.

ANSWER DOWNLOAD EXAMIANS APP