In which direction does the magnetic field point inside a current-carrying loop?
Correct Answer: Into the plane of the loop
- Step 1: Imagine a loop of wire that is carrying an electric current.
- Step 2: Use your right hand to apply the right-hand rule. Point your thumb in the direction of the current flow in the loop.
- Step 3: Curl your fingers around the loop. Your fingers represent the direction of the magnetic field lines.
- Step 4: Notice that your fingers point into the plane of the loop when you follow the current direction.
- Step 5: Therefore, the magnetic field inside the loop points into the plane of the loop.
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