Interactive circuit-analysis tutor

Nodal & Mesh Analysis

Build intuition by connecting each KCL or KVL term to the exact node, component, current path, and equation sign that created it.

Preset circuit

Circuit canvas

Five resistors and two voltage sources all connect between the same two nodes.

GroundUnknownsLinked term

Choose visual terms instead of typing. Hover a term to light up the component that creates it.

Built KCL equation

Click terms to build the equation.

The final step turns equations back into circuit behavior.

Solved value

V1 = 6.0 V

Solved value

I1 = 2.0 mA (left mesh)

Solved value

I2 = 0.5 mA (right mesh)

Solved value

IR3 = 1.5 mA