Lesson: Magnetic Fields Produced by Electric Currents

In this lesson, we will learn how to describe the magnetic field that is produced by a wire carrying an electric current.

Video

14:48

Q1:

For the magnetic field created around a current-carrying wire, the the current, the the magnetic field.

Q2:

Which of the following correctly describes what is meant by a “hard magnetic material”?

Q3:

Which of the following correctly describes what is meant by a “soft magnetic material”?

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