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Homework answers / question archive / charge distributions are as follows: -A point charge at the origin with charge +3Q A small conductive spherical shell with net charge -Q -A large spherical conductive shell with net charge -5Q

charge distributions are as follows: -A point charge at the origin with charge +3Q A small conductive spherical shell with net charge -Q -A large spherical conductive shell with net charge -5Q

Physics

  1. charge distributions are as follows: -A point charge at the origin with charge +3Q A small conductive spherical shell with net charge -Q -A large spherical conductive shell with net charge -5Q. :ind the electric field at the following four positions: ) (-a, 0) 2) (-2a, 0) 3) (-2.5a, 0) 4) (-3a, 0) ir answer should be in terms of Q, a, and our usual )stants (co and/or k). :ind the charges on the inner and outer surfaces of the -3 all conductive shell. :Ind the charges on the inner and outer surfaces of the ;e conductive shell 
  2. Starting with equations on your formula sheet, find the electric field at the origin due to the two charge distributions shown: 1) A thin rod of charge is bent into a circular arc that spans 90., as shown. The [LBW has a non-uniform charge density, A, = a sing, where a is a positive constant with units of C/m and g is measured from the —y axis, as shown. 2) A thin, straight rod of charge with positive uniform charge density, A,, that extends from yO to Infinity (that's what the dashed lines mean), as shown, at 292a. Your answer should be in terms of 0, a, and our usual constants (e, and/or 

    2a 

    -3a -2a 
    0 • 

    3a 
    -2 
     
  3. Starting with equations on your formula sheet, find the electric field at (4a, 0) due to the two charge distributions shown: I) A solid, insulating sphere [radius 2a, centered at (3a, 0)1 with total charge -Q uniformly distributed throughout its volume. Q is a positive constant with units of C. 2) An infinitely long insulating cylinder centered on the y-axis, as shown, with charge uniformly distributed throughout its volume. It has radius a, and uniform charge density, ho (h0 is a positive constant with units of Um) Dimension a is in meters. Your answer should be in terms of the given info [a, Q, and ?..,) and our usual constants (go and/or k). 

    Find electric field here 
     

 

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