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A charged particle having drift velocity of $7 .5 \times 10^{- 4} m s^{- 1}$ in an electric field of $3 \times 10^{- 10} {Vm}^{- 1},$ has a mobility in $m^{2} V^{- 1} s^{- 1}$ of

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2.5×106

2.5×10−6

2.25×10−15

2.25×1015

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detailed solution

Correct option is A

μ=VdE=7.5x10−43x10−10μ=2.5x106

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A charged particle having drift velocity of 7.5×10−4m s−1 in an electric field of 3×10−10Vm−1, has a mobility in m2V−1s−1 of

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A charged particle having drift velocity of $7 .5 \times 10^{- 4} m s^{- 1}$ in an electric field of $3 \times 10^{- 10} {Vm}^{- 1},$ has a mobility in $m^{2} V^{- 1} s^{- 1}$ of