I read everywhere about the formulas for calculating B at a point from a length of straight wire, or at a point from the centre of a closed loop.(adsbygoogle = window.adsbygoogle || []).push({});

But what about at a point over a closed loop that wasn't the centre? Is there a simple calculation for that?

Thanks

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# Biot-Savart non-textbook Equation -- B at point above a loop but off-axis

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