Question: What is the formula for the slot pitch factor in design of rotors?

Options

A : slot pitch factor = 3.14*rotor diameter*number of rotor slots

B : slot pitch factor = 3.14/rotor diameter*number of rotor slots

C : slot pitch factor = 3.14*rotor diameter/number of rotor slots

D : slot pitch factor = 1/3.14*rotor diameter*number of rotor slots

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