What is the direction of the magnetic field inside a current-carrying circular l

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Question: What is the direction of the magnetic field inside a current-carrying circular loop? (2019)

Options:

Correct Answer: Out of the plane

Exam Year: 2019

Solution:

Using the right-hand rule, if the current flows in a counterclockwise direction, the magnetic field inside the loop points out of the plane.

What is the direction of the magnetic field inside a current-carrying circular loop? (2019)

What is the direction of the magnetic field inside a current-carrying circular loop? (2019)

Step 1: Identify the direction of the current in the circular loop. In this case, we assume the current flows in a counterclockwise direction.
Step 2: Use the right-hand rule to determine the direction of the magnetic field. To do this, point your thumb in the direction of the current (counterclockwise).
Step 3: Curl your fingers around the loop. Your fingers will wrap in the direction of the current.
Step 4: Look at the direction your thumb is pointing. Your thumb will point out of the plane of the loop.
Step 5: Conclude that the magnetic field inside the loop points out of the plane.

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