6 questions Intermediate

ECADEMY test

106L - Electromagnetic Motors

This course test contains 6 questions and can be retaken at any time.

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Question 1 of 6 Intermediate

A magnetic field is created around an electrical conductor when an electric current is passed through it. This is known as what?

Question 2 of 6 Intermediate

Stator laminations are typically made of which material?

Question 3 of 6 Intermediate

Permanent magnet synchronous motors are more efficient than induction motors due to a change in which major motor component?

Question 4 of 6 Intermediate

When power is applied to the stator, an expanding magnetic field is created that cuts across the rotor conductor bars and induces current in the rotor.

Question 6 of 6 Intermediate

When power is applied to the stator, an expanding magnetic field is created that cuts across the rotor conductor bars and induces current in the rotor. This is the basic principle of which of the following?

Question 6 of 6 Intermediate

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Correct
Q: A magnetic field is created around an electrical conductor when an electric current is passed through it. This is known as what?
A: Electromagnetism
Correct
Q: Stator laminations are typically made of which material?
A: Steel
Correct
Q: Permanent magnet synchronous motors are more efficient than induction motors due to a change in which major motor component?
A: Rotor
Correct
Q: When power is applied to the stator, an expanding magnetic field is created that cuts across the rotor conductor bars and induces current in the rotor.
A: True
Correct
Q: Which of the following single-phase motors offers the lowest starting torque?
A: Permanent-split capacitor (PSC)
Correct
Q: When power is applied to the stator, an expanding magnetic field is created that cuts across the rotor conductor bars and induces current in the rotor. This is the basic principle of which of the following?
A: Induction