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Thread: inductance interpretation

  1. #1 inductance interpretation 
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    I am trying to figure out what is inductance? I calculated the inductance of a infinite length cable and I got L= uo*ln(D/r) , (external field) I know the inductance is the capacity of a circuit to maintain their conduction of current facing a variation of the current but looking only the above, the inductance increase while the distance "D" is increased? for instance at r=0.1m D=1000m L will be 0.1mH so what does it mean? 0.1mH is the inductance of the cable at 1000meters?

    thanks


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    You may think to inductance as a sort of inertia for an electric circuit : When a difference of electical potential is applied to an inductor, this inductor will generate an electric force opposed to the applied potential.



    Once the current is stabilized, di = 0 => e = 0


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  4. #3  
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    Quote Originally Posted by iochoa View Post
    I am trying to figure out what is inductance? I calculated the inductance of a infinite length cable and I got L= uo*ln(D/r) , (external field) I know the inductance is the capacity of a circuit to maintain their conduction of current facing a variation of the current but looking only the above, the inductance increase while the distance "D" is increased? for instance at r=0.1m D=1000m L will be 0.1mH so what does it mean? 0.1mH is the inductance of the cable at 1000meters?

    thanks
    I couldn't find that particular equation anywhere so I'm not sure what it applies to, but D would be the length of the conductor and r the radius. It is the inductance of a cable 1000 meters long. "Infinite" doesn't mean it is infinitely long, it means it is much longer than the radius.
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