An electron with electric charge of 1.6 X 10 - 19 C falls through a potential di

Question

An electron with electric charge of 1.6 X 10 - 19 C falls through a potential difference of 10 kV in the vacuum of an X - ray tube. What is the kinetic energy of the electron assuming it started from rest and that there is no loss of energy to friction ? ( 1 volt = 1 joule/coulomb An electron with electric charge of 1.6 X 10 - 19 C falls through a potential difference of 10 kV in the vacuum of an X - ray tube. What is the kinetic energy of the electron assuming it started from rest and that there is no loss of energy to friction ? ( 1 volt = 1 joule/coulomb An electron with electric charge of 1.6 X 10 - 19 C falls through a potential difference of 10 kV in the vacuum of an X - ray tube. What is the kinetic energy of the electron assuming it started from rest and that there is no loss of energy to friction ? ( 1 volt = 1 joule/coulomb

Explanation / Answer

dE=q*dV=1.6e-19*10e3=1.6e-15 J

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