Electric Current
 

Electric Current problem 20


There is an electric current in a copper wire. Which statement describing the average drift speed of the charge carriers in the wire is correct?


  • It is nearly .


  • It is proportional to the cross-sectional area of the wire.


  • It is proportional to the length of the wire.


  • It is proportional to the magnitude of the current.


 

main author and content editor: Daniel Owoyomi