The position of a particle at time $t$ is given by the equation $x(t) = \frac{v_0}{A}(1 - e^{-At})$, where $v_0$ is a constant and $A > 0$. The dimensions of $v_0$ and $A$ respectively are:

  • A
    $[M^0 LT^0]$ and $[M^0 L^0 T^{-1}]$
  • B
    $[M^0 LT^{-1}]$ and $[M^0 LT^{-2}]$
  • C
    $[M^0 LT^{-1}]$ and $[M^0 L^0 T]$
  • D
    $[M^0 LT^{-1}]$ and $[M^0 L^0 T^{-1}]$

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Dimensions of the following three quantities are the same:

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Column-$I$ Column-$II$
$(A)$ Electrical resistance $(p)$ $M L^3 T^{-3} A^{-2}$
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$(C)$ Specific resistance $(r)$ $M L^2 T^{-3} A^{-1}$
$(D)$ Specific conductance $(s)$ None of these

The dimensional formula of $\frac{B^2}{2\mu_0}$ is . . . . . . .

The physical quantity that has the same dimensional formula as pressure is:

$[L^2 M^1 T^{-2}]$ are the dimensions of

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