Homework, 3 General Physics

# Homework, 3 General Physics - General Physics II Homework 3...

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General Physics II Homework 3 Worked Examples Young & Freedman: 22.4, 22.37, 22.38, 22.46, 22.61, 22.63 (see handout:YF_863_868.pdf ) 22.4: 22.37: a) since no charge is enclosed. b) since charge enclosed is since charge enclosed is 2 Q . 22.38: a) since the charge enclosed is Q . since the – Q on the inner surface of the shell cancels the + Q at the center of the sphere. , since the total enclosed charge is –2 Q . b) The surface charge density on inner surface: . c) The surface charge density on the outer surface: d)

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e) 22.46: a) (i) (ii) there is no net charge enclosed, so the electric field is zero. (iii) b) (i) Inner charge per unit length is (ii) Outer charge per length is 22.61: a) For a sphere NOT at the coordinate origin: in the b) The electric field inside a hole in a charged insulating sphere is:

Unformatted text preview: Note that is uniform. 22.63: a) no field contribution from the sphere centered at the origin, and the other sphere produces a point-like field: . b) the sphere at the origin provides the field of a point charge of charge since only one-eighth of the charge’s volume is included. So: c) the two electric fields cancel, so d) now both spheres contribute fields pointing to the right: Problems Young & Freedman: 22.2, 22.9, 22.39, 22.45, 22.54 (see handout: YF_863_868.pdf) Also: Study, understand, and rewrite solutions for the following 2 problems: 1) Worked example 22.61 above. 2) Problem 3, instructor’s notes, pages 55, 56....
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• Spring '14
• Pantelidas
• Physics, Charge, Work, Electric charge, Fundamental physics concepts, Freedman, surface charge density, total enclosed charge

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