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Physics 1 Problem Solutions 200

# Physics 1 Problem Solutions 200 - 196 Chapt 25 Electric...

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196 Chapt. 25 Electric Potential where λ is the linear charge density. What happens if either of R goes to infinity or zero? How is the resulting problem avoided in practice? c) The potential difference for an infinite plane of charge between points vector r and vector r 0 which is a vector in the plane is chosen as the zero point for the potential. The z direction is perpendicular to the plane. Recall the electric field for an infinite plane of charge is vector E = ± σ 2 ε 0 ˆ z, where σ is the area charge density and upper case for the positive z side of space and lower case is for the negative z side of space. What happens if z (the z component of vector r ) goes to infinity? How is the resulting problem avoided in practice? 025 qfull 00300 2 3 0 moderate math: PE of uniform charged ball 5. You have uniformly charged sphere of charge Q and radius R . We’re going to find the potential ENERGY of this charge assembly (relative to zero when all the charge bits are at infinity relative to each other).
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