Virtual Labs · Interactive Physics

Circuit Builder

Drag batteries, resistors, bulbs, switches, ammeters and voltmeters onto the canvas, wire them together, and watch a real circuit simulation update live — with Ohm’s law, series/parallel current, and instructional feedback along the way.

Components

Drag or click a component from the tray to start building a circuit.
Empty

Add components to the canvas to build a circuit.

Select a component to inspect and adjust it.