8. The distance between two point charges q1 = 22.5 ∙ 10−6 C and q2 = −44 ∙ 10−6 C is 5 cm. Find the field strength and potential at a point located 3 cm from the positive charge and 4 cm from a negative charge.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)