A typical Cu wire might have 2 X 1021 free electrons in 1 cm of its length. Suppose that the drift velocity of the electrons along the wire is 0.05 cm/s. (A) How many electrons would pass through a given cross section of the wire each second? (B) How large a current would be flowing in the wire?

A typical Cu wire might have 2 X 1021 free electrons in 1 cm of its length. Suppose that the drift velocity of the electrons along the wire is 0.05 cm/s. (A) How many electrons would pass through a given cross section of the wire each second? (B) How large a current would be flowing in the wire?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter1: Atomic Structure

Section: Chapter Questions

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Types of Charge Carriers

A carrier is a type of object which carries a particular thing from one point to another point. For instance, people use different vehicles from one place to another, and the vehicle carries those people and acts as a carrier.

Question

A typical Cu wire might have 2 X 1021 free electrons in 1 cm of its length. Suppose
that the drift velocity of the electrons along the wire is 0.05 cm/s. (A) How many
electrons would pass through a given cross section of the wire each second? (B)
How large a current would be flowing in the wire?
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