Question: 4. A uniformly charged rod with linear density p has the shape of a circular arc as pictured below. The arc subtends an angle

4. A uniformly charged rod with linear density p has the shape

4. A uniformly charged rod with linear density p has the shape of a circular arc as pictured below. The arc subtends an angle of 20 at the center of the circle of radius R. Find the electric field at the point O. R y 20 x

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