Circuit Builder - Interactive Physics Simulation

Components - Drag onto canvas

Cell

Fixed Resistor

Variable Resistor

Lamp

Ammeter

Voltmeter

Cell Voltage

6 V

Component Value

10 Ω

Show Grid

Show Values

Build series and parallel circuits and discover how current and voltage behave in each.

Drag components onto the canvas
Select a component and click 'Rotate Component' to rotate it 90°. On desktop you can also right-click
Draw from one point on the grid to another to wire components together
Build the circuits on the worksheet and record the values