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Statement of a problem № 41218

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The potential of a certain electrostatic field has the form φ = a (x2 + Y2) + bz2, where a and b are constants. Find the magnitude and direction of the electric field strength vector. What shape has the equipotential surfaces in the following cases? (a) a > 0, b > 0; (b) a > 0, b <0?




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