Задача 31080.

The electric field is created by two point charges q1=40 nC and q2= 10 nC, located at a distance d = 10 cm from each other. Determine the field strength and potential at a point distant from the first charge by r1= 12 cm and from the second by r2= 6 cm.

Detailed solution with a brief record of the conditions, formulas and laws used in the solution, derivation of the calculation formula and answer.
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