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The mean free path of electrons in a metal is 4 x 10-8m. Find the electric field, in units of V/m, which can give on an average 2 eV energy to an electron in the metal. - Physics

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प्रश्न

The mean free path of electrons in a metal is 4 x 10-8m. Find the electric field, in units of V/m, which can give on an average 2 eV energy to an electron in the metal.  

योग

उत्तर

Electric field, E = `"V"/"d" = 2/(4 xx 10^-8) = 5 xx 10^7`  V/m

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Electrostatics
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अध्याय 8: Electrostatics - Very Short Answer

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