{{ /biot-savart_loop_magnetica.png?500 }} 

Illustration of [[/Biot-Savart law]].

[[/Magnetic field strength]] $H$ generated at the centre of a loop of conductor with current $I$. The drawing shows the contribution to $H$ from the infinitesimal part $d \vec l$ of the conductor.  distance and the corresponding angle. 

//The drawing was inspired by:// 
  * [[https://books.google.co.uk/books?isbn=9780470746387|Michael Mansfield, Colm O'Sullivan, Understanding Physics, John Wiley & Sons, 2011, ISBN 9780470746387, p. 411]] 
  * [[https://aplusphysics.com/courses/ap-c/videos/APC-BiotSavart/APC-BiotSavart.html|Dan Fulerton, AP Physics C - The Biot-Savart Law]], {accessed 2020-07-25}

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{{tag> Biot-Savart_law Magnetic_field Maxwell_laws Files}}