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1. |
In a DC machine, z, p, Ia and a are respectively the number of conductors, number of poles, armature current and number of parallel paths. The peak value of fundamental component of armature MMF wave is ____________ |
A. | 8/ [(z/2p)(I<sub>a</sub>/a)] |
B. | 8/ <sup>2</sup>[(z/p)(I<sub>a</sub>/a)] |
C. | 4/ [(z/2p)(I<sub>a</sub>/a)] |
D. | 8/ <sup>2</sup>[(z/p)(I<sub>a</sub>/a)] |
Answer» E. | |