Electrical Engineering · Armature Reaction
In a DC machine, armature reaction causes the Magnetic Neutral Axis (MNA) to shift:
- 1Perpendicular to the Geometrical Neutral Axis (GNA) for both
- 2In the direction of rotation for both generator and motor
- 3Opposite to the direction of rotation for a generator and in the direction of rotation for a motor
- 4In the direction of rotation for a generator and opposite to the direction of rotation for a motor✓
Correct answer
In the direction of rotation for a generator and opposite to the direction of rotation for a motor
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