Pitch factor for 5/6 short pitch coil is
A 0.966 B) 0.833
(C) 1.0
(D) 3.454
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Let ES be the induced e.m.f. in each side of the coil. If the coil were full-pitched i.e. if its two sides were one pole-pitch apart, then total induced e.m.f. in the coil would have been = 2ES . If it is short-pitched by 30° (elect.) , their resultant is E which is the vector sum of two voltage 30° (electrical) apart.
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