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Discussion

A stepper motor is

  • A.a two phase induction motor
  • B.is a kind of rotating amplifier
  • C.is an electromagnetic transducer used to convert an angular position of shaft into electrical signal
  • D.is an electromechanical device which actuates a train of step angular movements in response to a train of input pulses on one to one basis

Answer: D

When input pulses are applied, the motor moves in steps.

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