What happens to the magnetic field when the current in a wire is reversed? (2023

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Question: What happens to the magnetic field when the current in a wire is reversed? (2023)

Options:

Correct Answer: It reverses direction

Exam Year: 2023

Solution:

When the current in a wire is reversed, the direction of the magnetic field also reverses.

What happens to the magnetic field when the current in a wire is reversed? (2023)

What happens to the magnetic field when the current in a wire is reversed? (2023)

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: When the current in the wire is reversed, it means the flow of electricity changes direction.
Step 4: Since the magnetic field direction depends on the current direction, reversing the current will also reverse the magnetic field direction.
Step 5: Therefore, when the current is reversed, the magnetic field also reverses.

No concepts available.