What is the effect of reversing the direction of current in a wire on the magnet

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Question: What is the effect of reversing the direction of current in a wire on the magnetic field around it? (2019)

Options:

Correct Answer: The magnetic field direction reverses

Exam Year: 2019

Solution:

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

What is the effect of reversing the direction of current in a wire on the magnetic field around it? (2019)

What is the effect of reversing the direction of current in a wire on the magnetic field around it? (2019)

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 you reverse the direction of the current in the wire, the magnetic field will also change direction.
Step 4: This means that the magnetic field lines will point in the opposite direction compared to when the current was flowing in the original direction.

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