Задача 30104.

A charge with a linear density of 20 nC / m is distributed along the arc of a ring with a length of three quarters of a circle. Determine the strength and potential of the electric field created by the distributed charge at point O, which coincides with the center of the ring. The radius of the circle is R = 14.1 cm.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.

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