70. Two point charges q1 = 3 ∙ 10−8 C and q2 = −5 ∙ 10−8 C are at a distance of r = 5 cm. Find the strength and potential of the electric field at a point located at a distance of 3 cm from the positive charge and 4 cm from the negative.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)