المكثف والمفاعلة والمعاوقة

Week 13 · Chapter 4 (B): the capacitor (Q = CV) on DC and on AC (the current leads, the voltage lags by 90°), capacitive reactance XC = 1/2πfC, capacitors in series and in parallel, impedance and the series RL circuit (Z = √(R² + XL²), phase angle, voltages add as vectors) · 3 lessons