Question: A magnetic dipole ?(vector) = ?i? is on the axis of a circular current loop of radius a oriented as shown in Fig. 26.17a, a

A magnetic dipole ?(vector) = ?i? is on the axis of a circular current loop of radius a oriented as shown in Fig. 26.17a, a distance x from the center. Differentiate Equation 26.16 to find the force on the dipole, and evaluate its magnitude for x = a. Is the force attractive or repulsive?

di and are perpendicular. di Same 0; cos 0 = a/r %3D dB (a)

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