Engineering Theory & Mathematical Model
Because electric charge cannot accumulate indefinitely at a mathematical conductor node, the instantaneous current entering any junction equals the sum of currents leaving that junction. Watch how our MNA sub-segment solver computes exact wire currents between every parallel tap!
Interactive Lab Procedure
- Hover over the main top feed wire from V1 to read total supply current I_total.
- Hover over each of the three parallel resistors (RR, RG, RB) and sum their currents to confirm I_total = IR + IG + IB.
- Notice how wire particle density slows step-by-step after each tap!
Technical FAQ
What is the core governing formula for Kirchhoff's Current Law (KCL) Parallel Node Simulator?
I_source = I_branch1 + I_branch2 + I_branch3 — Because electric charge cannot accumulate indefinitely at a mathematical conductor node, the instantaneous current entering any junction equals the sum of currents leaving that junction. Watch how our MNA sub-segment solver computes exact wire currents between every parallel tap!
Can I modify component values and rewire this circuit live?
Yes! The schematic above runs a live MNA SPICE engine. Click any part to adjust parameters, add or delete wires and components, and click Share URL to save your custom topology.