An infinite, nonconducting sheet has a surface charge density σ = +6.39 pC/m2. (a) How much work is done by the electric field due to the sheet if a particle of charge q0 = 3.20 × 10-19 C is moved from the sheet to a point P at distance d = 3.28 cm from the sheet? (b) If the electric potential V is defined to be zero on the sheet, what is V at P?

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.