1. Parts a. & b. relate to the following configurations of electric charges located at the vertices of an equilateraltriangle. Point P is equidistant from the charges./2 a. In which

configuration is the electric field at P equal to zero? (A)(B)(C)(D)(E) (A)(B)(C)(D)(E)b. In which configuration is the electric field at P pointed at the midpoint between two of the charges?