(Answered) Flux through a cube a a point charge q is located at

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Flux through a cube *

(a) A point charge q is located at the center of a cube of edge d. What is the value of r E·da over one face of the cube?

(b) The charge q is moved to one corner of the cube. Now what is the value of the flux of E through each of the faces of the cube? (To make things well defined, treat the charge like a tiny sphere.)

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