A circular loop of wire carries a current. What is the direction of the magnetic field at the center of the loop?

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Q: A circular loop of wire carries a current. What is the direction of the magnetic field at the center of the loop?

Solution: Using the right-hand rule, the magnetic field at the center of a current-carrying circular loop is directed out of the plane of the loop.

Steps: 5

Step 1: Identify the direction of the current flowing through the circular loop of wire.
Step 2: Use your right hand to apply the right-hand rule: Point your thumb in the direction of the current.
Step 3: Curl your fingers around the loop in the direction of the current flow.
Step 4: Observe where your fingers point when they curl around the loop; this indicates the direction of the magnetic field.
Step 5: At the center of the loop, your fingers will point out of the plane of the loop, indicating the direction of the magnetic field.

A circular loop of wire carries a current. What is the direction of the magnetic field at the center of the loop?

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