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Electrons in some semiconductor have a density of 10^20 cm-3 and electron mobility of 800 cm/V.s. If a uniform electric field of 1V/cm exist across

Electrons in some semiconductor have a density of 10^20 cm-3 and electron mobility of 800 cm²/V.s. If a uniform electric field of 1V/cm exist across this conductor then determine the electron current density.

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