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4. (a) Define electric flux. Write its S.I. units. (b) Using Gauss's law, prove that theelectric field at a point due to a uniformly charged infinite plane sheet is independent ofthe distance from it.(c)How is the field directed if (i) the sheet is positively charged, (ii) negatively charged? |
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Answer» (a) Electric flux is defined as the number of electric field lines passing through anareanormal to the surface. Alternatively. The surface integral of the electric field is defined as the electric flux through a closed surface.(b) |
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