Millikan determined the charge on the electron by studying
the static charges on oil drops falling in an electric
field (Figure 2.5). A student carried out this experiment using
several oil drops for her measurements and calculated the
charges on the drops. She obtained the following data:
Droplet Calculated Charge (C)
A 1.60 * 10-19
B 3.15 * 10-19
C 4.81 * 10-19
D 6.31 * 10-19
(b) What conclusion can the student
draw from these data regarding the charge of the electron?
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