Circuit Solver
Advanced Electrical Circuit Analysis Tool
Ohm’s Law Calculator
Results
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Formulas
V = I × R (Voltage = Current × Resistance)
I = V / R (Current = Voltage / Resistance)
R = V / I (Resistance = Voltage / Current)
P = V × I (Power = Voltage × Current)
Quick Reference
Basic Laws
- Ohm’s Law: V = IR
- Power: P = VI = I²R = V²/R
- KCL: ΣI = 0
- KVL: ΣV = 0
Series Rules
- Current: I₁ = I₂ = I₃
- Voltage: V = V₁ + V₂ + V₃
- Resistance: R = R₁ + R₂ + R₃
Parallel Rules
- Voltage: V₁ = V₂ = V₃
- Current: I = I₁ + I₂ + I₃
- Resistance: 1/R = 1/R₁ + 1/R₂ + 1/R₃