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Homework Help: What is the magnitude of the net charge enclosed by surface?

  1. Feb 9, 2016 #1
    1. The problem statement, all variables and given/known data
    A closed surface with dimensions a = b = 0.302m and c=0.604m is located as in the figure.
    The electric field throughout the region is nonuniform and defined by E⃗ = (α+βx2)ˆı where x is in meters,α=4N/C, andβ=4N/(C·m2).?
    What is the magnitude of the net charge enclosed by the surface?
    Answer in units of C.

    2. Relevant equations


    3. The attempt at a solution
    I tried to use E= (4+4x^2) and distribute the Epsilon naught value but obviously that is completely wrong. I am struggling and would appreciate any help that can be offered!!
     

    Attached Files:

  2. jcsd
  3. Feb 10, 2016 #2

    ehild

    User Avatar
    Homework Helper

    What is the direction of the electric field?
    Do you know Gauss' Law?
     
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