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A variable reluctance stepper motor is constructed of ______________ material with salient poles.

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A variable reluctance stepper motor is constructed of ______________ material with salient poles.

(a) Paramagnetic

(b) Ferromagnetic

(c) Diamagnetic

(d) Non-magnetic

The question was asked during an interview.

I need to ask this question from Stepper Motors in division Control System and Components of Control Systems

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Right option is (b) Ferromagnetic

For explanation I would say: A variable reluctance stepper motor is the motor that has motion in steps with respect to increase in time and constructed of ferromagnetic material with salient poles.

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