Chapter 22, Problem 70P

The following table gives the charge seen by Millikan at different times on a single drop in his experiment. From the data, calculate the elementary charge e.

6.563 × 10–19 C	13.13 × 10–19 C	19.71 × 10–19 C
8.204 × 10–19 C	16.48 × 10–19 C	22.89 × 10–19 C
11.50 × 10–19 C	18.08 × 10–19 C	26.13 × 10–19 C