Electrical Machines
In case of DC Shunt Motor electromagnetic torque developed is

 Inversely proportional to the armature current.
 Proportional to the armature current.
 Proportional to the square of armature current.
 None of above.

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Electrical Machines
The coil spam

 none of above.
  may or may not be exactly equal to people pitch.
 must be exactly equal to people pitch.
 can never be equal to pole pitch.

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