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2) A uniformly charged thin rod bent into the shape of arc of a circle of radius R and carries a
2л
a) Find
charge per unit length (-2) as shown in the figure. The arc subtends a total angle
the magnitude and direction of the electric field at the center of the circular arc (Eo-?). b) What
is the magnitude and direction of electrostatic force exerted on a point charge +Q placed at the
center of circular arc?
30°
-λ
X

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