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The average mobility of a charge carrier in a semi conductor is $0.024 m^{2} V^{- 1} s^{- 1}$ when an electric field of $20 V / m$ is applied what is the drift velocity of the charge carrier

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0.48 m/s

0.428 m/s

0.482 m/s

0.4 m/s

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detailed solution

Correct option is A

Mobility, μ=VdE ⇒0.024=Vd20 ⇒Vd=24×10−3×20=48×10−2=0.48m/s

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The average mobility of a charge carrier in a semi conductor is 0.024m2V−1s−1 when an electric field of 20 V/m is applied what is the drift velocity of the charge carrier

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The average mobility of a charge carrier in a semi conductor is $0.024 m^{2} V^{- 1} s^{- 1}$ when an electric field of $20 V / m$ is applied what is the drift velocity of the charge carrier