Alternating Current

• The ratio of voltage to current is the reactance (X_C) measured on Ohms (Ω)
• X_C = V ÷ I ;     I = V ÷ X_C ;     V = I × X_C
          [V, I are rms values]
• X_C = 1 ÷ (2πƒC)
  Reactance decreases as frequency increases

Course Guide Topics

1. Sinusoidal Signals (1)
2. Sinusoidal Signals (2)
3. Sinusoidal Signals (3)
4. Alternating Current
5. Phase
6. Harmonics
7. Non-Sinusoidal Signals (1)
8. Non-Sinusoidal Signals (2)
9. Capacitive Reactance (1)
10. Capacitive Reactance (2)
11. Inductive Reactance