Quiz.1soln - Leave answer in integral form. E ( r ) = 1 4 o...

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Physics 411 Quiz Name __________________ cover p _ 1 .................... Quiz 1 ______ 1. ________ (20 points) Quiz 2 ______ 2. ________ (20 points) Quiz 3 ______ 3. ________ (20 points) Quiz 4 ______ 4. ________ (20 points) Quiz 5 ______ 5. ________ (20 points) total . ________ ( / 100 points) __________________________________________________________________________________ Quiz 1 January 29, 2009 1. A charge distribution is given by ( r )=[ Q / a 3 ] z ( r a ) . Write down the integral expression for the electric field, E ( r ) in S.I. units which is valid at any point in space.
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Unformatted text preview: Leave answer in integral form. E ( r ) = 1 4 o V r r r 3 ( r r ) d 3 x . E ( r ) = 1 4 o V [ Q / a 3 ] z ( r a ) r r 3 ( r r ) d 3 x . 2. For the E ( r ) you find in question 1, what is E ( r ) ? E ( r ) =[ Q / a 3 o ] z ( r a ) 3. What are the units of E ( r ) ? V / m = volts / m or N / C = Newtons / Coulomb...
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This note was uploaded on 12/19/2010 for the course PHYS 411 taught by Professor G during the Spring '10 term at Missouri S&T.

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