Velocity of an electron accelerated from rest through a distance in a uniform field (or q/m from it)

1. A.
   $\frac{v^2}{2El}$
2. B.
   $\frac{v^2 l}{2E}$
3. C.
   $\frac{2Ev^2}{l}$
4. D.
   $\frac{v^2 l}{E}$

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1. A.
   $\sqrt{\frac{2qE}{mL}}$
2. B.
   $\sqrt{\frac{2qEL}{m}}$
3. C.
   $\sqrt{\frac{2qE}{mqL}}$
4. D.
   $\sqrt{\frac{qE}{mL}}$

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