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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
21 Nov 2021

Given information

It is given that the current is 0.75A, wire diameter is 2.0mm, so it radius is 1.0 mm. the drift velocity is  

Step-by-step explanation

Step 1.

 

The relation between drift velocity and current is

 

Here, n is the number of electron per unit volume, A is cross-section area, {{v}_{d}}si the drift velocity.

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