Question

The total momentum of electrons in a straight wire of length l= 1000 m carrying a current I= 70 A, will be (in N. s)​

Answer 1

Let, n0 be the total number of electrons then, total momentum of electrons, Here Sx = Cross sectional area, ρ = electron charge density, V = volume of sample From (1) and (2) Read more on Sarthaks.com - hope this will help..

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