Fundamentals of Physics Extended (10th Edition)

$V=-11.7$ mV
The electric potential can be determined as $V=-\frac{W}{q}$ We plug in the known values to obtain: $V=-\frac{1.87\times 10^{-21}}{1.6\times 10^{-19}}$ $V=-0.01168$ $V=-0.0117$ $V=-11.7\times 10^{-3}$ $V=-11.7$ mV