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**Unformatted text preview: **y-z plane at , = x and the other face at a general value . x Then: , : x E Ax Q EA d x encl = = = = with direction given by . | | i x x Note that E is zero at . = x Now outside the slab, the enclosed charge is constant with : x , : encl d E Ad Q EA d x = = = = again with direction given by . | | i x x...

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