About Ohm's Law
See how the equation form of Ohm's law relates to a simple circuit. Adjust the voltage and resistance, and see the current change according to Ohm's law.
How to play Ohm's Law
Everything is hands-on: drag, click and experiment — the simulation reacts instantly. See how the equation form of Ohm's law relates to a simple circuit.
Questions & answers
- What is Ohm's Law?
- Ohm's Law is a free interactive simulation from PhET Interactive Simulations (University of Colorado Boulder) that you can play right in your browser on crumble.lol — no downloads and no sign-up. See how the equation form of Ohm's law relates to a simple circuit. Adjust the voltage and resistance, and see the current change according to Ohm's law.
- What can kids learn from Ohm's Law?
- It helps kids explore: predict how current will change when resistance of the circuit is fixed and voltage is varied. predict how current will change when voltage of the circuit is fixed and resistance is varied.
- What age is Ohm's Law good for?
- It is designed for middle school (roughly ages 10–14) up to university, and curious kids outside that range can absolutely enjoy poking around it too.
- Is Ohm's Law free to play?
- Yes — Ohm's Law is completely free on crumble.lol and runs fully in your browser on computers and tablets.