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MCQEasyJEE Main 2023 · 30 January, Shift 1Electric Current & Drift Velocity

Physics Question from JEE Main 2023 · 30 January, Shift 1

The charge flowing in a conductor changes with time as

Q(t)=αt−βt2+γt3,Q(t) = \alpha t - \beta t^2 + \gamma t^3,

where α,β,γ\alpha, \beta, \gamma are constants. The minimum value of current is:

  • A

    α−3β2γ\alpha - \frac{3\beta^2}{\gamma}

  • B

    α−γ23β\alpha - \frac{\gamma^2}{3\beta}

  • C

    β−α23γ\beta - \frac{\alpha^2}{3\gamma}

  • D

    α−β23γ\alpha - \frac{\beta^2}{3\gamma}

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