// multi-utility computation suite · offline · instant · precise
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│ computation suite │
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eng.dc-circuit Calculator
Solves DC circuits using Ohm's law, Kirchhoff's laws, and series/parallel resistance combination for voltage, current, and power. Kirchhoff's Current Law (KCL) and Voltage Law (KVL) are the two fundamental rules that govern all linear circuit analysis.
Inputs
V
Electric potential difference (V). Drives current through a circuit. Household: 120 V (US) or 230 V (EU/UK).
R1
Reference formula or conversion factor shown for context.
R2
Reference formula or conversion factor shown for context.
R3
Reference formula or conversion factor shown for context.
Results
series: R_total (Ω)
The combined total across all inputs and components.
series: current (A)
Electric charge flow rate (A). Governs wire sizing — too much current causes dangerous heating. Fuses protect circuits from overcurrent.
parallel: R_eq (Ω)
Reference formula or conversion factor shown for context.
parallel: current (A)
Electric charge flow rate (A). Governs wire sizing — too much current causes dangerous heating. Fuses protect circuits from overcurrent.
series power (W)
Reference formula or conversion factor shown for context.
parallel power (W)
Reference formula or conversion factor shown for context.