Lecture_07

Lecture_07 - Electric Field of a Spherical Shell of Charge...

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Field inside: Field outside: E = 1 4 πε 0 Q r 2 ˆ r (like point charge) E = 0 Qualitative approach Integration Electric Field of a Spherical Shell of Charge
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E 1 +E 4 E 2 E 3 E 6 E 5 Divide into 6 areas: Direction: radial - due to the symmetry E of a Sphere Outside
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Magnitude: E = 1 4 πε 0 Q r 2 How would a charged sphere interact with other charges? - as a point charge (same force) E of a Sphere Outside As long as we are far from a region of distributed charges we can approximate the electric field of that region as being due to a point charge.
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Magnitude: E= 0 Note: E is not always 0 inside – other charges in the Universe may make a nonzero electric field inside. E of a Sphere Inside
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0: Implications Fill charged sphere with plastic. Will plastic be polarized? No! Solid metal sphere: since it is a conductor, any excess charges on the sphere arranges itself uniformly on the outer surface. There will be
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This note was uploaded on 10/26/2009 for the course CHM 111 taught by Professor Staff during the Spring '08 term at Purdue.

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Lecture_07 - Electric Field of a Spherical Shell of Charge...

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