1. Consider a thin ring of radius R. The ring is uniformly charged with a total charge Q. Write an expression for the linear charge density i of the ring.
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Linear charge density of a conductor is the charge per unit length of the conductor. The ring may be supposed to be equivalent to a straight conductor of length equal to the perimeter of the ring.
The formula to calculate the perimeter of the ring is given by
Here, is the perimeter and is the radius of the ring.
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