Chapter 26, Problem 7CQ

To determine

(a)

Is the electric potential at point a higher than, lower than, or equal to the electric potential at point b? Explain.

To determine

(b)

Rank in order, from largest to smallest, the magnitude of the potential differences$\Delta V_{ab},\Delta {\text{V}}_{\text{ed}},\Delta {\text{V}}_{ef}$.

To determine

(c)

Is surface $1$ on equipotential surface? What about surface$2$ ? Explain why or why not