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Grade 12th passDifferential Calculus

A drift velocity of free electrons in a conductor is Vd,when the current I is flowing in it.if both the radius of the conductor and current are dubbed ,the drift velocity will be

Profile image of Anuj
9 Years agoGrade 12th pass
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1 Answer

Profile image of Rani Jyoti satyasheel
8 Years ago
Apply formula of currentI=neAVdVd=1/neA =1/neπr²=2I/neπ(2r)²=2I/neπ4r here 2 will be divided by 4. Therefore,=Vd/2

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