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Unformatted text preview: The volume charge density in free space in spherical coordinates is given by , 0, v r r a a r a = > a) Draw a picture and determine the direction of E a and the dependence of E a on the coordinate variables ( , , ) r . 3 continued b) Use the integral form of Gauss law to find E a in the region r a . 4. Potential. The electric field in rectangular coordinates in free space is given by , , , a z z a z E z a z a a z a > = <  a a) Find the volume charge density v everywhere. b) Verify the boundary condition on normal D a at z a = . (Note: s = at z a = ) 4 continued b) Find the potential difference between a point at z a = and a point at z = ....
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 Spring '11
 ROTHWELL
 Electromagnet, Impedance

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