Q. 3

Expert-verifiedFound in: Page 762

Book edition
4th

Author(s)
Randall D. Knight

Pages
1240 pages

ISBN
9780133942651

electrons flow through a cross section of a silver wire in with a drift speed of . What is the diameter of the wire?

The diameter of the wire is .

Number of electrons

Time

Drift speed

The electron density is

The current density is known to be

The area of a circle is,

Write the area as

Write the electron current and substitute,

Now, substituting this expression for the area at the one for the diameter,

After substituting the values,

Hence, the diameter of the wire is

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