Ampere's Law: Calculating Magnetic Field Strength

[jamesjd]

Homework Statement

Homework Equations

State Amperes Law. Show that the magnetic field at a distance R from a very long straight wire carrying a current I has magnitude μ I / (2 pi R)

The Attempt at a Solution

I really don't know :(

 

[gabbagabbahey]

Homework Statement

Homework Equations

State Amperes Law. Show that the magnetic field at a distance R from a very long straight wire carrying a current I has magnitude μ I / (2 pi R)

The Attempt at a Solution

I really don't know :(

If you don't know how to state Ampere's Law, then you need to open your textbook to the section on magnetostatics and READ IT. You need to show at least some effort.