





RESOURCES > EIS > INDUCTANCE > CALCULATOR Even
a single, straight piece of wire has some inductance! My good, old 196263 edition of the CRC Handbook is a wealth of information! It contains a section on "Radio Formulae" (ref 1) that gives the inductance of a straight piece of round wire or rod: In this equation, L is the inductance in nH (10^{9}
henry), l is the length and d is the diameter of the wire/rod
(both in cm). µ is the permeability of the material
(=1.0, except
for iron and other ferromagnetic materials). 



Electrochemistry The Bookstore Tell Us ! 

The calculator, above, actually uses a slightly more complicated form of the equation (ref 2). The differences are small, even for fairly "squat" electrodes with d / l of 0.2 (x~1.005). Note: This equation applies to an isolated round wire far from a ground plane or earth. For other geometries, see references 2 or 4. It also applies to frequencies that are accessible to the electrochemist, generally <1MHz.




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