EngiRef / Electrical Engineering Formula
Capacitive Reactance
Capacitive Reactance: Opposition to current by capacitor. An AC Circuits formula in electrical engineering. Variables Xc, f and C, each with SI and imperial…
AC Circuits
Specification
- Name
- Capacitive Reactance
- Discipline
- electrical
- Category
- AC Circuits
- LaTeX
- X_C = \frac{1}{2 \pi f C} = \frac{1}{\omega C}
- Description
- Opposition to current by capacitor
- Conditions
- Sinusoidal steady-state
- Can solve for
- Xc, f, C
- Tags
- capacitance, reactance, frequency, ac
Variables
| Symbol | Name | Unit | Si Unit |
|---|---|---|---|
| Xc | Capacitive Reactance | Ω | Ω |
| f | Frequency | Hz | Hz |
| C | Capacitance | F | F |
Common questions
- What is the Capacitive Reactance formula?
- Opposition to current by capacitor. It sits under AC Circuits, Electrical engineering in the EngiRef reference.
- What do the symbols in the Capacitive Reactance formula mean?
- In Capacitive Reactance, Xc is capacitive reactance in Ω; f is frequency in Hz; C is capacitance in F.
- When does the Capacitive Reactance formula apply?
- Capacitive Reactance holds under this condition: Sinusoidal steady-state.