An Electron Is Accelerated by a Potential Difference of 20

Multiple Choice

An electron is accelerated by a potential difference of 20 V. The change in the electron's kinetic energy is

A) 0.810 *10^-19 J.
B) 1.62 *10^-19 J.
C) 3.24 * 10^-19 J.
D) 4.86 * 10^-19 J.
E) None of the above is correct.