90. Two identical charge in the air at a distance of 0.1 m apart. The field strength at the point separated by distance of 0.06 m from 0.08 m, and one of the other charge equal to 10 kV / m. Determine the potential of the field at that point and the value of the charges.

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