Solving a problem in physics section 68 point 82 electr

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82. A point charge q = 70 nC is located near a charged infinitely extended plane. Under the action of the field, the charge moves along the field line to a distance Δr = 2 cm, while the field forces do the work A = 5 μJ. Find the surface charge density on the plane.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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