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Establish relation between current and drift …

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Establish relation between current and drift velocity

Posted by Sumati Yadav 4 years, 11 months ago

CBSE > Class 12 > Physics

2 answers

Nidhi Kashyap ☺☺ 4 years, 11 months ago

Let a conductor is connected with a cell or battery due to which current flows through the conductor is given by : I=q/t -------(1). ,,here I= current thought conductor , q=charge ,t=time Volume or conductor having area A and cross section L=AL Total no. Of electron (N) =no. Of electron per unit volume N=nAL Charge on one electron =e Total charge on conductor 'q' =total no. Of electron × charge on one electron q=nALe ----------(2) Put equation (2) in (1) I=nALe /t Velocity =displacement /time (L/t) =Vd So,【 I=neAVd 】 These is relation between current and drift velocity

Gaurav Seth 4 years, 11 months ago

Electric current flowing through a conductor I = n AqV_d

where A = cross-sectional area of the conductor, n= number of conduction electrons per unit volume, q is the charge of an electron and V_d is the drift velocity.

ANSWER

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