26:06From the PhD Lab: How do biofilms help keep bacteria alive? - with Josh Horton
The Royal Institution
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/science/electrical-engineering/ee-circuit-analysis-topic/ee-ac-analysis/v/ee-impedance The general notion of the ratio of a sinusoidal voltage to a sinusoidal current is called "impedance". We derive the impedance of a resistor, inductor, and capacitor. The impedance of the inductor and capacitor has a term for frequency, so the impedance of these components depends on frequency.
Published 2016-08-05 · Watch on YouTube ↗
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