Practice MCAT Question - Q29 - Answer!
What is the amount of work done on an electron by a potential difference of 100 volts?
A. 6.25 x 1020 eV
B. 100 eV
C. 1.60 x 10-17 eV
D. 1.60 x 10-19 eV
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The correct answer is (B). The potential difference between two points is the ratio of the work done in moving the unit charge between the two points. Therefore, W = qV.
