1. What is Parallel Inductance?

When inductors are connected in parallel, their equivalent inductance is less than any of the individual inductances. The total inductance is calculated differently than resistors in parallel.

2. How Does the Calculator Work?

The calculator uses the parallel inductance formula:

Where:

• \( L_{eq} \) — Equivalent inductance (H)
• \( L_1 \) — First inductor value (H)
• \( L_2 \) — Second inductor value (H)

Explanation: The reciprocal of the total inductance equals the sum of the reciprocals of the individual inductances.

3. Importance of Equivalent Inductance

Details: Calculating equivalent inductance is crucial for circuit analysis and design, helping determine the overall behavior of parallel inductor configurations.

4. Using the Calculator

Tips: Enter both inductor values in henries (H). All values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: Does this formula work for more than two inductors?
A: Yes, for N inductors in parallel: \( \frac{1}{L_{eq}} = \frac{1}{L_1} + \frac{1}{L_2} + \cdots + \frac{1}{L_N} \)

Q2: What if one inductor is zero?
A: An ideal inductor cannot have zero inductance. In practice, this would represent a short circuit.

Q3: How does mutual inductance affect the calculation?
A: This formula assumes no mutual inductance between coils. With mutual inductance, the calculation becomes more complex.

Q4: Why is parallel inductance less than individual inductances?
A: Parallel connection provides multiple paths for current, effectively reducing the overall opposition to current change.

Q5: Can I use different units?
A: Yes, but both inductors must use the same units (mH, μH, etc.), and the result will be in those units.