At what temperature does the average translational kinetic energy of a molecule in a gas become equal to the kinetic energy of an electron accelerated from rest through a potential difference of $V$ volt? ($N=$ Avogadro number,$R=$ gas constant,$e=$ electronic charge)

  • A
    $\frac{2 eVN}{3 R}$
  • B
    $\frac{eVN}{R}$
  • C
    $\frac{eVN}{4 R}$
  • D
    $\frac{3 eVN}{2 R}$

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