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Loop with radius R and long straight segments

$\int\frac1rdl$ where $r$ is the position vector from each element $dl$ to the center of the loop with radius $R$.

Then I need to take the Curl of that to calculate the magnetic field. I'm having trouble setting up the integral to get anything meaningful.

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    Your first sentence seems to be missing its first part.2011-12-07

1 Answers 1