Q155 / 180 · KCET 2012 · Physics

Acceleration of a charged particle of charge $q$ and mass moving in a uniform electric field of strength $\mathrm{E}$ is

A
$\frac{q}{m E}$
Correct answer
B
$\frac{q E}{m}$
C
$\frac{\mathrm{m}}{\mathrm{qE}}$
D
$m q E$

Solution

Force experienced by charged particle in uniform electric field, $$ \mathrm{F}=\mathrm{qE} $$ Acceleration of charged particle $\mathrm{a}=\frac{\mathrm{F}}{\mathrm{m}}=\frac{\mathrm{qE}}{\mathrm{m}}$

Hence, the correct answer is option: 'B'.

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