Whatis the momentum acquired by the electrons in a wire of length 'l'metre when a current of 'i'ampere starts flowing in wire? The mass and charge of electron are 'm' and 'e' respectively.

Asked by Deepti Prajapati | 30th May, 2011, 12:00: AM

Expert Answer:

Electrons in a conductor attain constant velocity called drift velocity, Vd . momentum of each electron = me Vd .   Here Vd = l/t = li/q. There fore momnetum of each electron = m Vd

Answered by  | 15th Jun, 2011, 01:26: PM

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