Q122 / 180 · AIIMS 2017 · Physics

Assertion : Acceleration of charged particle in non-uniform electric field does not depend on velocity of charged particle. Reason : Charge is an invariant quantity. That is amount of charge on particle does not depend on frame of reference.

  • A
    If both assertion and reason are true and reason is the correct explanation of assertion.
  • Correct answer
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C
    If assertion is true but reason is false.
  • D
    If both assertion and reason are false.

Solution

$\vec{a}=\frac{q \vec{E}}{m}$ as $\vec{E}$ varies so does $\vec{a}$, it does not depend on its velocity.

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

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