If a metallic wire of cross sectional area 3.0 ´ 10-6 m2 carries a current of 6.0 A and has a mobile charge density of 4.24 ´ 1028 carriers/m3, what is the average drift velocity of the mobile charge carriers? (charge value = 1.6 ´ 10-19 C)

The drift velocity is

Explanation:

Given :

Area of metallic wire, .

Current through wire ,

Mobile charge density ,

Charge value ,

We need to find drift velocity ,

Now, we know :

Therefore,

Putting all given values in above equation we get,

Hence, this is the required solution.

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