(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A long, straight wire carrying a current of 4.00 A is placed along the axis of a cylinder of radius 0.500 m and a length of 3.00 m. Determine the total magnetic flux through the cylinder.

2. Relevant equations

Flux = BA

B(long wire) = (((4 * pi) * 10^-7) * I )/ (2 * pi * R)

A(cyclinder) = (2 * pi * r^2) + (2 * pi * r * h)

3. The attempt at a solution

I = 4

r = .5

h = 3

I tried to solve for B by saying:

B = (((4 * pi) * 10^-7) * 4 )/ (2 * pi * .5)

B = 1.6 * 10^-6

and then A:

A = (2 * pi * .5^2) + (2 * pi * .5 * 3)

A = 10.99

Flux = (1.6 * 10^-6) * 10.99

Flux = 1.75 * 10^-5

----------------------------

This is incorrect. Not sure what I am doing wrong here. Any help is very much appreciated. This is due tonight at 11pm EST

Thanks much,

Kyle

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Archived Magnetic Flux through a Cylinder

Have something to add?

**Physics Forums | Science Articles, Homework Help, Discussion**