Physics · INTERACTIVE LAB

Circuit & Ohm’s law

Find voltage, current or resistance, then electrical power.

Local computationExplained methodNo account

Before you start

Choose the unknown. Use volts, amperes and ohms; the other two values are required.

The answer and the path to it

What this model can do

A single ideal ohmic resistor in a DC model. Not a circuit simulator or an electrical installation guide.