Task 31592.
Thin straight rod length of 15 cm is charged with a linear density of charge 10 C / m. On the continuation of the axis of the rod, at a distance of 5 cm from the proximal end, is the point charge 10 ^ -8 Kl. Determine the strength of the interaction of the rod and charge.
Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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