Q
Flashing the field of D.C. generator means:______________?
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A
A. Neutralising residual magnetism
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B
B. Creating residual magnetism by a d.c. source
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C
C. Making the magnetic losses of forces parallel
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D
D. Increasing flux density by adding extra turns of windings on poles
Correct Answer:
B. B. Creating residual magnetism by a d.c. source
