In a 4 pole, 3 phase alternator, armature has 40 slots. Its coil span factor is 0.9876.

Q.  In a 4 pole, 3 phase alternator, armature has 40 slots. It is using an armature winding which is short pitched by one slot. Its coil span factor is
- Published on 27 Oct 15

a. 0.9
b. 0.9243
c. 0.9476
d. 0.9876

ANSWER: 0.9876

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