SEM Unit-2 Stepper Motor

How does a Stepper Motor move ?

• A. Electrical Pulse

• B. Continuous Applied Voltage

• C. Alternates from A and B

A pulse can be produce by which means ?

• A. Microprocessor

• B. Timing Logic

• C. Toggle Switch

• D. All of the above

Which of the following is not a type of stepper motor?

• A. Variable Reluctance

• B. Hybrid

• C. Magnetic

• D. Lead-Screw

Which of the following is not a component of a stepper motor?

• A. Windings

• B. Rotor and Stator

• C. Commutator

• D. Brush

• E. Both C and D

With a stator having 8 teeth and a rotor having 6 teeth, what step angle will an application be able to achieve?

• A. 15°

• B. 51°

• C. 20°

• D. 105°

A stepping motor is a ____________ device.

• a) Mechanical

• b) Electrical

• c) Analogue

• d) Incremental

A stepper motor may be considered as a ____________ converter.

• a) Dc to dc

• b) Ac to ac

• c) Dc to ac

• d) Digital-to-analogue

The stepper motor is used in

• (a) computer printers.

• (b) robotics.

• (c) clocks.

• (d) all of the above.

The rotor of a stepper motor has no

• a) Windings

• b) Commutator

• c) Brushes

• d) All of the mentioned

The step angles can be as large as _____________degrees

• 45

• 90

• 60

• 30