<p>A cubic cardboard box of side <em>a =</em> 0.430 <em> m</em> is placed so tha

Question

<p>A cubic cardboard box of side <em>a =</em> 0.430 <em> m</em> is placed so that its edges are parallel to the coordinate axes, as shown in the figure. There is <strong>NO </strong>net electric charge inside the box, but the space in and around the box is filled with a nonuniform electric field of the following form: E(x,y,z) = Kz <strong>j</strong> + Ky <strong>k</strong>, where K= 3.20 N/C^.m is a constant. <br /><br /><img src="http://gryphon.phy.umassd.edu/msuphysicslib/Graphics/Gtype53/prob07a_cube.gif" alt="" /><br /> What is the electric flux through the top face of the box? (The top face of the box is the face where z=a. Remember that we define positive flux pointing out of the box.)</p>
<p>What is the total electric flux through the five other faces of the box? (Again, outward flux is positive.)</p>

Explanation / Answer

A cubic cardboard box of side a = 0.430 m is placed so tha

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