Question

Is magnetic field due bar magnet and magnetic dipole same?

Answer 1

Since the normal n ∩ to a side of a magnet is perpendicular to the axis, there usually is no magnetic charge along the sides of a bar magnet. Consider the bar magnets of Example 9.1 (qm = 23.3 A-m, A= 0.25 × 10–5 A/m2, l = 0.2 m). Find their magnetic moment and magnetization. ... By (9.11), M = qm/A= 9.32 × 105 A/m.

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