Multiple Choice
In D.C. machines, ir order to prevent excessive distortion of field form by the armature reaction, the field mmf must be made
A) equal to that of armature mmf
B) less in comparison with the arma¬ture mmf
C) large in comparison with the arma-ture mmf
D) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
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