1. What will happen if the armature rheostat is not in
maximum position while starting
the motor?
2. What will happen if the armature resistance is in minimum
position and the eld
resistance is in maximum position while starting the motor?
3. How do you reverse the direction of rotation of a DC motor?
4. If the armature connection and the eld connection both
are reversed, does the direction
of rotation of the motor reverse?
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Answer Posted / durga
3.by changing either the field terminals or by reversing the
terminals of armature terminals.
4.when both are reversed there is no change in the direction
of rotation of motor.
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