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A resistor obeys Ohm's law (\$\small V=I\cdot R\$); the current through it is equal to the voltage across it divided by the resistance (equivalently \$I=\frac{V}{R}\$).
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Choosing the right resistor for a LED circuit
Do such resistors commonly exist? …
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Do carbon film resistors have any effect on AC?
Carbon film resistors are basically an insulating (probably ceramic) rod covered in a carbon film that is twisted around it, as shown in the picture below:
However, this seems very similar with a coil … Are there any situations where this kind of resistors are avoided in AC applications?
P.S. …