How Do Line Integrals Relate to Magnetism?

[SwMarc]

Line Integral and Magnetism Help!

Here is a problem given to me as a takehome quiz I am having trouble even starting being that I missed that day we went over line integrals.
Any hints or tips are much appreciated.
http://ez-files.net/download.php?file=4ec07c5df1e8223123523fb11f038d39"

 

[siddharth]

Read up on http://maxwell.byu.edu/~spencerr/websumm122/node68.html"

 

[SwMarc]

so I read that and still confused

 

[siddharth]

What exactly are you confused about? Are you confused about ampere's law, or are you confused about how to apply it to this problem?

 

[SwMarc]

nevermind I aced it. I was making it a little more confusing then it actually was. Thank you for the help.