A thin glass rod of radius R and length L carries a uniform surface charge . It
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A thin glass rod of radius R and length L carries a uniform surface charge σ. It is set spinning about its axis, at an angular velocity to. Find the magnetic field at a distance s >> R from the center of the rod (Fig. 5.66).
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S 3 L
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A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials. A moving charge in a magnetic field experiences a force perpendicular to its own velocity and to the magnetic field. The video shows the practical implications of magnetic force around different objects.
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