Coil - Wikipedia, the free encyclopedia
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A coil is a series of loops. A coiled coil is a structure where the coil itself is in turn also looping. An electromagnetic coil (or simply a "coil") is formed when a conductor (usually a solid ...
en.wikipedia.org/wiki/Coil
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The relation of this counter emf to the current is the origin of the concept of inductance. The inductance of a coil follows from Faraday's law.
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hyperphysics.phy-astr.gsu.edu/hbase/magnetic/indcur.htm...
hyperphysics.phy-astr.gsu.edu/hbase/magnetic/indcur.html
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Use this online calculator to calculate the inductance of single-layer and multilayer coils. ... To calculate the inductance of a single-layer, air-core coil:; 1. Select the measurement units (inches or centimeters). 2. Enter the number of turns (windings). 3. Enter the coil diameter (form diameter + wire diameter -
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www.66pacific.com/calculators/coil_calc.aspx
www.66pacific.com/calculators/coil_calc.aspx
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See our other Electronics Calculators. ... The following is a design tool which calculates the inductance of an air core inductor. ... d (coil diameter in inches)
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www.daycounter.com/Calculators/Air-Core-Inductor-Calcul...
www.daycounter.com/Calculators/Air-Core-Inductor-Calculator.phtml
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Single Layer Air Coil Inductance Calculator ... Coil Diameter (d) ... ; Notes:; 1) For broadcast band you want inductance between 250uH and 300uH (280uH); 2) This calculator will get you close and is not intended as a final formula;
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www.crystalradio.net/cal/indcal.shtml
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Inductance Calculation for arbitrary coils using Lundin formula, by IN3OTD ... Single-layer Coil Inductance and Q ... Most of the formulas for the inductance of a coil are valid for the current sheet approximation, where the current flows in an indefinitely thin surface around the coil diameter. This is the same as assuming...
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www.qsl.net/in3otd/indcalc.html
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Energy-Ring Inductance Calculator ... Inductance in Microhenrys ... Microhenrys is a unit of measure used in electronics to indicate the Inductance of a coil.
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www.energy-ring.com/inductance.htm
www.energy-ring.com/inductance.htm
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COIL AREA: All other factors being equal, greater coil area (as measured looking lengthwise through the coil, at the cross-section of the core) results in greater inductance; less coil area results in less inductance.
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www.allaboutcircuits.com/vol_1/chpt_15/3.html
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