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Calculate the drif velocity of electrons...

Calculate the drif velocity of electrons in an aluminium wire of radius 2mm when a current of 5A passes through it. (Atomic weight of aluminium = 27, Avogardo number = `6 xx 10^(23)`and density of aluminium = 2700 kg `m^(-3)`

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`1.38 xx 10^(-5) m//s`
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