A Student's Guide to Maxwell's Equations
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Problem 2.4

Find the flux of the Earth’s magnetic field through each face of a cube with 1-meter sides, and show that the total flux through the cube is zero.  Assume that at the location of the cube, the Earth’s magnetic field has amplitude of 4 x 10-5 T and points upward at an angle of 30° with respect to the horizontal.  You may orient the cube in any way you choose.




Give me a HINT or show me THE FULL SOLUTION!