The mass of an electron is m 'its charge e and it is accelerated from rest through a potential difference V. The velocity of electron will be calculated by using formula

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The mass of an electron is m 'its charge e and it is accelerated from rest through a potential difference V. The velocity of electron will be calculated by using formula

Karthik 14th Mar, 2020

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Answer (1)

Hrisheekesh Singh 14th Mar, 2020

Hi Karthik,

Work done in motion of charge, W = eV

Work will get converted into kinetic energy i.e. KE = W

= 1/2*m(v^2 - u^2) = eV

= 1/2*m*v^2 = eV

= v^2 = 2eV/m

= v = root(2eV/m)

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!

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