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Series and parallel RLC resonance circuit diagrams with resonance curve illustration and title text
Posted inElectrical Field

Series and Parallel Resonance: Formula, Q Factor & Worked Examples

Tune an old radio and you are exploiting resonance. At one precise dial position the station comes through loud and clear; move slightly off and it fades. That "sweet spot"…
Posted by josh root October 18, 2026
Impedance Formula: Z = √(R² + X²) Explained with Examples
Posted inElectrical Field

Impedance Formula: Z = √(R² + X²) Explained with Examples

If you have ever wondered why an AC circuit does not obey the simple V = IR rule you learned for DC circuits, the answer is impedance. Impedance is the…
Posted by David wisay May 13, 2026

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