A uniformly charged insulating rod of length 19.0 cm is bent into the shape of a...

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Physics

A uniformly charged insulating rod of length 19.0 cm is bentinto the shape of a semicircle as shown in the figure below. Therod has a total charge of -6.50

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3.6 Ratings (532 Votes)

Draw a horizontal line through O to intersect the rod at P Now consider a small part of the rod such that the perpendicular from O to that part is inclined at an angle with OP Let this part subtend an angle d at the center So length of this part R d See Answer

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