In an electron gun, the electrons are accelerated by the potential $V$. If e is the charge and $m$ is the mass of an electron, then the maximum velocity of these electrons will be
In an electron gun, the electrons are accelerated by the potential $V$. If e is the charge and $m$ is the mass of an electron, then the maximum velocity of these electrons will be
- A
$\frac{{2eV}}{m}$
- B
$\sqrt {\frac{{2eV}}{m}} $
- C
$\sqrt {\frac{{2m}}{{eV}}} $
- D
$\frac{{{V^2}}}{{2em}}$
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