Ok, I have been working on this problem for about 2 hours now, and I still can't get the right answer..could someome help me?(adsbygoogle = window.adsbygoogle || []).push({});

two wires carry currents of I=5.12A in opposite directions and are separated by a distance of d0=9.33cm. (the wire on the left has I going up and the one on the right is going down) Calculate the net magnetic field at a point midway between the wires. Use the direction out of the page as the positive direction and into the page as the negative direction in your answer.

B. Calculate teh net magnetic field at point p1- that is 9.32 cm to the right of the wire on the right.

C. calculate the net magnetic field at point p2- that is 19.3 cm to the left of the wire on the left.

To calculate B. I am using:

BR=uoI

2pi (p1/2)

BR= (4pi x 10^-7)(5.12)

(2Pi)(.0466)

= 2.19742 x 10^-5 T

BL=uoI

2pi(p1+do)

BL= (4pi x 10^-7)(5.12)

2Pi(.1865)

Bnet= BR-BL

= 1.65 x 10 ^-5 T

Can anyone see what I am doing wrong? I assume for C you would use the same procedure and for the main question you would just use Bnet= B1+B2

Thanks!

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# Homework Help: Net magnetic field in wires

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