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AP Physics 2
12.3 Magnetism and Current-Carrying Wires
12.1 Magnetic Fields
BeginnerMCQConceptual14.2k
A 3D perspective view showing a flat horizontal wooden table surface. A thin circular wire loop lies flat on the table top. Curved arrows around the circular loop indicate a steady conventional current flowing counterclockwise when viewed from above. The geometric center of the loop is marked with a dot labeled C. A vertical line extends perpendicularly upward through point C. No other labels, lines, text, or axes appear.
A circular wire loop lying flat on a horizontal table carrying a counterclockwise current.
A circular coil of wire is laid flat on a horizontal wooden table and carries a steady conventional current in the counterclockwise direction when viewed from directly above the table. Which of the following claims correctly describes the direction of the magnetic field created by the coil at its center, and provides the correct physical justification?

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