- #1

Sudharshan

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## Homework Statement

A current I carried in a conduit as described below. The wire can be assumed to be infinitely long in the positive x-direction. The point P is the radius distance a from the portion of the line that describes a semicircle. Calculate the resulting magnetic field at point P in magnitude and direction.

## Homework Equations

Biot-Savart Law:

## The Attempt at a Solution

I have calculated the magnetic field caused by the semicircle. I am not quite sure how to calculate the magnetic fields caused by the two infinitely-long wire segments. From my calculations they cancel each other out. Is this correct? Is the magnetic field caused by the semicircle correct?

I have linked my answer below:

Page 1:http://i.imgur.com/sPh6NiO.jpg

Page 2:http://i.imgur.com/YOSuQ95.jpg

Page 3:http://i.imgur.com/wL1DCmv.jpg

Any help is appreciated.

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