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Understanding DC Motors Quiz

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1. Which part of a DC motor rotates in a magnetic field to produce mechanical energy?

2. What principle is DC motor operation based upon?

3. What is the role of brushes in a DC motor?

4. How can the speed of a DC motor be controlled?

5. What are the two classifications of DC motors?

6. What property of the armature in a DC motor affects the torque?

7. In a DC motor, what is the primary purpose of the commutator?

8. Among the following, which type of DC motor provides high starting torque?

9. What will happen to a DC motor if the field winding breaks or has very high resistance?

10. What property in a DC motor influences the back electromotive force (EMF)?