Question

1. what is the purpose of the bearing in a motor?
2. what is the purpose of the rotor in a motor?
3. what is the purpose of the electrical connector in a motor?
4. what are the two main types of motor, when classified based on the type of electric current used to power the motor?

Explanation:

1. Bearings in a motor support the rotating shaft, reduce friction and wear, and maintain proper alignment.
2. The rotor in a motor is the rotating part that interacts with the magnetic - field to produce mechanical motion.
3. The electrical connector in a motor is used to connect the motor to the power - supply circuit, allowing the flow of electrical current to operate the motor.
4. The two main types of motors classified based on the type of electric current used are AC (alternating current) motors and DC (direct current) motors.

Answer:

1. To support the rotating shaft, reduce friction and maintain alignment.
2. To interact with the magnetic - field and produce mechanical motion.
3. To connect the motor to the power - supply circuit for current flow.
4. AC motors and DC motors.