

MCQOPTIONS
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1. |
In the equation for RMS value of the generated EMF in a full pitched coil of an AC machine, E = Emax/ 2 = 2 frN , fr depends on ____________ |
A. | rotating speed of the armature coil |
B. | rotating speed of the flux density wave |
C. | relative velocity between the flux density wave and armature coil |
D. | all of the mentioned |
Answer» D. all of the mentioned | |