Question

copper wire of diameter 1 mm carries a current of 0.2 ampere copperhead 8.4×10 to the power 28 atoms per cubic metre. find the Drift velocity of electron​

Answer 1

Answer:

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Answer 2

Answer:

drift velocity (Vd)= 1.89×10-⁵

Explanation:

formula used is :

I=enAVd

here I is current

e is charge of electron which is constant

n is number density

hope you understand