6 questions Intermediate

ECADEMY test

106L - Electromagnetic Motors

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

You must answer all questions correctly to pass the test and complete the course.

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Question 1 of 6 Intermediate

How can the magnetic field around an electrical conductor be strengthened?

Question 2 of 6 Intermediate

An induction motor will operate at synchronous speed at full load?

Question 3 of 6 Intermediate

A rotating magnetic field can be created by using which of the following?

Question 4 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 5 of 6 Intermediate

In a two-pole induction motor, the stator flux rotates at 3,600 rpm. Which of the following would be a typical rotor speed for this motor?

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.

Question 6 of 6 Intermediate

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Correct
Q: How can the magnetic field around an electrical conductor be strengthened?
A: Wind it into a coil around an iron core
Correct
Q: An induction motor will operate at synchronous speed at full load?
A: False
Correct
Q: A rotating magnetic field can be created by using which of the following?
A: Alternating current
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: In a two-pole induction motor, the stator flux rotates at 3,600 rpm. Which of the following would be a typical rotor speed for this motor?
A: 3,500 rpm.
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