Khan Academy
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Khan AcademyWilly McAllister
Khan Academy
The ratio of a sinusoidal voltage to a sinusoidal current is called \"impedance\". This is a generalization of Ohm's Law for resistors. We derive the impedance of a resistor, inductor, and capacitor. The inductor and capacitor impedance includes a term for frequency, so the impedance of these components depends on frequency.
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