Christracks817 Christracks817

14-02-2024
Physics

contestada

The dipole moment of a short bar magnet is 1.25 A−m². The magnetic field on its axis at a distance of 0.5 metre from the centre of the magnet is

A. 1.0×10⁻⁴ Newton/amp-meter
B. 4×10⁻² Newton/amp-meter
C. 2×10⁻⁶ Newton/amp-meter
D. 6.64×10⁻⁸ Newton/amp-meter

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