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Density, density, density. (a) A charge -347e is uniformly distributed along a circular arc of radius...

Density, density, density. (a) A charge -347e is uniformly distributed along a circular arc of radius 4.30 cm, which subtends an angle of 44o. What is the linear charge density along the arc? (b) A charge -347e is uniformly distributed over one face of a circular disk of radius 3.10 cm. What is the surface charge density over that face? (c) A charge -347e is uniformly distributed over the surface of a sphere of radius 5.30 cm. What is the surface charge density over that surface? (d) A charge -347e is uniformly spread through the volume of a sphere of radius 2.30 cm. What is the volume charge density in that sphere?

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