Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
New Topic  
hellchicken hellchicken
wrote...
Posts: 126
Rep: 0 0
2 months ago

A wire of radius 0.15 mm is made of an unknown metal and carries a current of 8.4 mA. The drift velocity for electrons in the wire is measured to be 36 × 10−6 m/s. What is the charge carrier density of the metal from which the wire is made?



1.3 × 1029 m−3



2.1 × 1028 m−3



need more information to do this calculation.



4.2 × 1030 m−3

Textbook 
College Physics

College Physics


Edition: 5th
Author:
Read 20 times
1 Reply
Replies
Answer verified by a subject expert
kraftykrafty
wrote...
Posts: 140
Rep: 0 0
2 months ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

hellchicken Author
wrote...

2 months ago
This site is awesome
wrote...

Yesterday
Brilliant
wrote...

2 hours ago
Just got PERFECT on my quiz
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1149 People Browsing
Related Images
  
 254
  
 891
  
 176
Your Opinion