Charges q is uniformly distributed over a thin half ring of radius R. The electric field at the centre of the ring is
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A thin half ring of radius R=20 cm is uniformly charged with a total charge q=0. 70nC. The magnitude of electric field strength at the curvature centre of this half ring is
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⚡Answer in the attachment.
Not so long answer as it looks like.
integration is required..⚡
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