As said above the μ r is the relative magnetic permeability for whatever you re using for the coil s core the cylinder that you re winding the wire on.
Calculating inductance of flat sheet of copper.
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The inductance calculator below also takes inches as well as centimeters and millimeters and does the conversion to meters for you.
The dc resistance of a conductor is calculated using the equation where.
ρ is the resistivity of the conductor in ω m.
Enter the winding depth as depicted in the.
Electrical copper wire self inductance calculator select your option select option copper wire self inductance air core flat spiral inductance grounding strap inductance toroid inductance per turn parallel wire impedance.
The units in the calculator have been changed from µh to nh and the thickness from cm to mm for easier working on pcb s.
The coil is the most recognizable form of an inductor.
Select your option select option copper wire self inductance air core flat spiral inductance grounding strap inductance toroid inductance per turn parallel wire impedance.
Enter the coil length measured as depicted in the diagram above diameter.
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This tool is designed to calculate the inductance of a coil of wire given the number of turns the loop diameter wire diameter and the permeability of the medium.
However even a straight piece of wire or your electrode has some self inductance this can be important if you are dealing with low impedances 1 ohm at high frequencies 10khz.
Select the geometry of your coil from the list you can choose from single layer solenoid multi layer solenoid and flat spiral coil forms.
T is the thickness in cm pcb copper 1 oz ft2 0 035mm the original for this equation is by f e.
Enter the coil diameter measured as depicted in the diagram above depth.
L is the length in metres.
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Even a single straight piece of wire has some inductance.
Online calculator that allows you to calculate the self inductance of electrical wire.
Terman and can be found in the radio engineers handbook mcgraw hill new york 1945.
Online calculator inductance of a straight conductor of circular section for the hp 42s inductance of a straight conductor of circular section for the hp 42s inductance of a straight conductor of thin flat section.
Grounding strap inductance calculator online electrical calculator that allows you to calculate the grounding strap inductance value.