# Current Carrying Wire in Magnetic Field

1. May 11, 2013

### DeChance

1. The problem statement, all variables and given/known data
Find the total magnetic force acting on the loop
http://tinypic.com/r/2yvvyuw/5

2. Relevant equations
f$_{m}$ = IL X B
B =$\frac{μ_{0}*I}{2∏*R}$

3. The attempt at a solution
Magnetic Field from Wire at Top
B = $\frac{4∏*10^{-7}*10}{2∏*2*10^{-2}}$
B = .0001

Magnetic Field from Wire at Bottom
B = $\frac{4∏*10^{-7}*10}{2∏*5*10^{-2}}$
B = .00004

Force on top of wire
F$_{m}$ = 8*5*10$^{-2}$*.0001
F$_{m}$ = .00004

Force on bottom of wire
F$_{m}$ = 8*5*10$^{-2}$*.00004
F$_{m}$ = .0000016

Hello everyone! Heard about you awesome guys from a classmate, kinda late in the semester but better late than never :tongue:. At this point I'm not sure what to do. I assume the two sides that are parallel to each other will cancel each other out at this point, but I'm not sure. Also I wanted to be sure the formulas I used were used properly above!

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2. May 11, 2013