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Automatic Control Systems - Engineering

Q1:

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

ANS: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

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