Physics 321, Autumn Quarter 2015
Electrodynamics: Homework Assignment 9
(a) Turn in all problems and clearly note
all constants and assumptions you use.
(1point penalty each otherwise)
(b) Use 8
½
x 11 paper & staple
(1point penalty each otherwise)
Due 9:30 am Thursday December 3
1. Consider a linear dielectric material having dielectric constant
ε
.
Suppose the electric field in the neighborhood of some point inside
the material is
E
. Find the force per unit volume exerted on the
dielectric in the neighborhood of this point.
2. A thin disk of radius
R
and height
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 Spring '16
 Laumann
 Magnetism, Work, Magnetic Field, Electric charge, Fundamental physics concepts, Dielectric, 1point penalty

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