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Calculate the drift speed of the electro...

Calculate the drift speed of the electrons when 1A of current exists in a copper wire of cross section 2 `mm^(2)`.The number of free electrons in `1cm^(3)`of copper is `8.5xx10^(22)`.

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From te current and drift velocity relation I = Ane `v_d`,
`v_d = I/("Ane") =(1)/(2xx10^(-6) xx 8.5 xx 10^(28) xx 1.6xx10^(-19))`
`=3.7xx10^(-5) ` m/s
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