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Task 30931.
The long cylinder of radius 0.5 m filled with uniform isotropic dielectric with permittivity 4 and a bulk density of charge -2 x 10 -4 C / m ^ 3. To determine the potential difference of the points A and B, at distances of 0.1 m and 0.25 m from the axis of the cylinder.
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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