Electrical Machines
Field divertor method of speed control of a DC series motor gives speed above rated one due to reduction of

 Armature current.
 None of above.
 Field current.
 Line current.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a stepper motor the detente torque means

  maximum of the static torque with the phase winding unexcited.
  minimum of the static torque with the phase winding excited.
  maximum of the static torque with the phase winding excited.
  minimum of the static torque with the phase winding unexcited.

ANSWER DOWNLOAD EXAMIANS APP