Q.

When the supply terminals of a dc shunt motor are interchanged 

  • AThe motor will stop
  • BThe motor will run at its normal speed in the same direction as before
  • CThe direction of rotation will reverse
  • DThe motor will run much faster in the same direction
Correct Answer : (B)

The motor will run at its normal speed in the same direction as before

Hints :

When the supply terminals of a dc shunt motor are interchanged, the motor will run at its normal speed in the same direction as before.

Previous

The current drawn by a 120 V dc motor with back emf of 110 V and armature resistance of 0.4 ohm is

Next

With the increase in speed of a dc motor

Join The Discussion