Assume that an electron of mass m and charge magnitude e moves in a circular orbit of radius r about a nucleus. A uniformmagnetic field B is then established perpendicular to the plane ofthe orbit. Assuming also that the radius of the orbit does notchange and that the change in the speed of the electron due to field B is small, find an expression for the change in the orbital magneticdipole moment of the electron due to the field.

Assume that an electron of mass m and charge magnitude e moves in a circular orbit of radius r about a nucleus. A uniformmagnetic field B is then established perpendicular to the plane ofthe orbit. Assuming also that the radius of the orbit does notchange and that the change in the speed of the electron due to field B is small, find an expression for the change in the orbital magneticdipole moment of the electron due to the field.

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