Question

An electron is moving with a kinetic energy of 3.2×10^-19 J. what was the potential applied to the electron?​

Answer 1

Answer:

The energy acquired by an electron, or any particle of charge

e ( 1.60×10−19C)1.60×10−19C) , moved through a potential difference of one volt is an electron volt eV. What you have given us in this problem is a charge of 2e moving through a potential difference of 5 V. Therefore, the energy required to do this is

2e×5V=10eV.

If you want the answer in Joules (J), use the conversion factor

1eV=1.60×10−19J1eV=1.60×10−19J to get

10eV=16.0×10−19J10eV=16.0×10−19J.

Explanation:

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