- A charge of 22 nC is uniformly distributed along a straight rod of length 13 m...

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Physics

- Acharge of 22 nC is uniformly distributed along a straight rod oflength 13 m that is bent into a circular arc with a radius of 5.6m. What is the magnitude of the electric field at the center ofcurvature of the arc?
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How much work is required to turn an electric dipole 180o in auniform electric field of magnitude 42.2 N/C if p = 3.50 × 10-25C·m and the initial angle is 62.8o. ?
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A disk of radius 3.3 cm has a surface charge density of 6.3µC/m2 on its upper face. What is the magnitude of the electricfield produced by the disk at a point on its central axis atdistance z = 9.7 cm from the disk?
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Charge is uniformly distributed around a ring of radius R =4.60 cm, and the resulting electric field magnitude E is measuredalong the ring's central axis (perpendicular to the plane of thering). At what distance from the ring's center is Emaximum?

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