1. What is Inductance?

Inductance is the property of an electrical conductor that opposes a change in current. It's measured in henries (H) and is a key parameter in AC circuits and electronic components like inductors and transformers.

2. How Does the Calculator Work?

The calculator uses the inductance formula:

Where:

• \( L \) — Inductance in henries (H)
• \( Z \) — Impedance in ohms (Ω)
• \( f \) — Frequency in hertz (Hz)
• \( \pi \) — Mathematical constant (~3.14159)

Explanation: The formula calculates the inductance needed to produce a given impedance at a specific frequency in an AC circuit.

3. Importance of Inductance Calculation

Details: Accurate inductance calculation is crucial for designing filters, tuning circuits, power supplies, and RF applications where impedance matching is important.

4. Using the Calculator

Tips: Enter impedance in ohms and frequency in hertz. Both values must be positive numbers. The result will be in henries.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between impedance and resistance?
A: Resistance opposes DC current, while impedance is the total opposition to AC current, including both resistance and reactance.

Q2: How does frequency affect inductance?
A: Higher frequencies generally require less inductance to achieve the same impedance, as inductive reactance increases with frequency.

Q3: What are typical inductance values?
A: Values range from nanohenries (nH) in RF circuits to henries (H) in power applications.

Q4: When is this calculation most useful?
A: When designing or analyzing AC circuits, particularly for inductive components where you know the desired impedance at a given frequency.

Q5: Does this work for complex impedance?
A: This calculation uses the magnitude of impedance. For complex impedance, you would use the imaginary (reactive) component.