Impedance
11:41
Khan AcademyWilly McAllister
Impedance
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.
2016年8月8日
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