What is the orientation of the magnetic field relative to a straight conductor when current flows?

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Multiple Choice

What is the orientation of the magnetic field relative to a straight conductor when current flows?

Explanation:
A straight current-carrying conductor creates a magnetic field that forms closed loops around the wire, lying in planes perpendicular to the wire. This means the field direction is perpendicular to the conductor itself. Use the right-hand rule: point the thumb along the current, and the curled fingers show the magnetic field around the wire. While the loops are circular in shape, the essential orientation relative to the conductor is perpendicular.

A straight current-carrying conductor creates a magnetic field that forms closed loops around the wire, lying in planes perpendicular to the wire. This means the field direction is perpendicular to the conductor itself. Use the right-hand rule: point the thumb along the current, and the curled fingers show the magnetic field around the wire. While the loops are circular in shape, the essential orientation relative to the conductor is perpendicular.

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