Chapter 24, Problem 17EAP

FIGURE EX24.17 shows three charges. Draw these charges on

your paper four times. Then draw two-dimensional cross sections

of three-dimensional closed surfaces through which the electric

flux is (a) $2q/{\in }_0$ , (b) $q/{\in }_0$ , (c) 0, and (d) $5q/{\in }_0$ .