A circular ring with radius r is carrying a total charge of –q (negative charge) uniformly. The is rotating around its central axis at a constant angular velocity w (clockwise). Find the magni of the magnetic field at a height z above the center of the ring.
A circular ring with radius r is carrying a total charge of –q (negative charge) uniformly. The is rotating around its central axis at a constant angular velocity w (clockwise). Find the magni of the magnetic field at a height z above the center of the ring.
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Transcribed Image Text:A circular ring with radius r is carrying a total charge of -q (negative charge) uniformly. The ring
is rotating around its central axis at a constant angular velocity w (clockwise). Find the magnitude
of the magnetic field at a height z above the center of the ring.
z
R
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