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


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