If the current in a wire is reversed, what happens to the direction of the magne

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Question: If the current in a wire is reversed, what happens to the direction of the magnetic field around it?

Options:

Correct Answer: It reverses

Solution:

Reversing the current in a wire also reverses the direction of the magnetic field around it.

If the current in a wire is reversed, what happens to the direction of the magnetic field around it?

If the current in a wire is reversed, what happens to the direction of the magnetic field around it?

Step 1: Understand that a wire carrying electric current creates a magnetic field around it.
Step 2: Know that the direction of the magnetic field is determined by the direction of the current flowing through the wire.
Step 3: If the current in the wire is reversed, it means the flow of electricity changes direction.
Step 4: When the current changes direction, the magnetic field also changes direction.
Step 5: Therefore, reversing the current in the wire reverses the direction of the magnetic field around it.

Electromagnetism – The relationship between electric current and magnetic fields, specifically how the direction of current affects the direction of the magnetic field.