Q
In repulsion motor, zero torque is developed when___________?
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A
A. Brush axis is 45Β° electrical to field axis
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B
B. Brush axis coincides with the field axis
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C
C. Brush axis is 90Β° electrical to field axis
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D
D. Both b. and (c)
Correct Answer:
D. D. Both b. and (c)