Physics Formula
Inductive Reactance Formula Formula
Calculates opposition to alternating current caused by an inductor.
Formula Summary
Inductive Reactance Formula
Calculates opposition to alternating current caused by an inductor.
- Category
- Physics
- Equation
- Xl = 2πfL
- Calculator
- Use Inductive Reactance Formula Calculator →
Equation
Xl = 2πfL
Variables
- Xl = inductive reactance
- f = frequency
- L = inductance
Units
- Reactance: ohms (Ω)
- Frequency: hertz (Hz)
- Inductance: henries (H)
When To Use This Formula
Use this formula when calculating how much an inductor opposes alternating current at a specific frequency.
Rearranged Equations
- f = Xl / (2πL)
- L = Xl / (2πf)
How to Use This Formula
- Identify the known values from the problem statement.
- Convert all values into compatible units.
- Substitute the values into the equation and calculate the result.
- Check that the final answer has the correct unit and meaning.