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Resistance vs Impedance

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JW:
Resistance is a concept used for DC (direct currents) whereas impedance is the AC (alternating current) equivalent. Resistance is due to electrons in a conductor colliding with the ionic lattice of the conductor meaning that electrical energy is converted into heat.

What is the difference between resistance and impedance?



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Resistance is a concept used for DC (direct currents) whereas impedance is the AC (alternating current) equivalent. Resistance is due to electrons in a conductor colliding with the ionic lattice of the conductor meaning that electrical energy is converted into heat

Putting a coil on a lathe with a magnet rotor is the correct but its almost always measured in AC before the rectifier.

http://www.learningaboutelectronics.com/Articles/What-is-impedance.php

Henry is unit of inductor. Converting into ohms means you want to calculate the inductive reactance. So, inductive reactance XL= omega x L

i.e. XL= (2 x pi x frequency) x L Ohms

L is inductance in Henry

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