Internal inductance: Difference between revisions

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(Created page with 'The self-inductance of a current loop is defined as the ratio of the magnetic flux ''Φ'' traversing the loop and its current ''I'': :<math>L = \Phi/I\,</math> The flux is fou…')
 
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On the other hand, the energy contained in the magnetic field produced by the loop is
On the other hand, the energy contained in the magnetic field produced by the loop is
:<math>W = \int_V{\frac{B^2}{2\mu_0} d\vec r}</math>
:<math>W = \int_V{\frac{B^2}{2\mu_0} d\vec r}</math>
I can be shown that<ref>P.M. Bellan, ''Fundamentals of Plasma Physics'', Cambridge University Press (2006) ISBN 0521821169</ref>
It can be shown that<ref>P.M. Bellan, ''Fundamentals of Plasma Physics'', Cambridge University Press (2006) ISBN 0521821169</ref>
:<math>W = \frac12 L I^2</math>
:<math>W = \frac12 L I^2</math>
The internal inductance is defined as the part of the inductance obtained by integrating over the plasma volume ''P'' <ref>J.P. Freidberg, Plasma physics and fusion energy, Cambridge University Press (2007) ISBN 0521851076</ref>:
The internal inductance is defined as the part of the inductance obtained by integrating over the plasma volume ''P'' <ref>J.P. Freidberg, Plasma physics and fusion energy, Cambridge University Press (2007) ISBN 0521851076</ref>: