About Resistance in a Wire
Observe changes to the equation and wire as you play with the resistivity, length, and area sliders.
How to play Resistance in a Wire
Everything is hands-on: drag, click and experiment — the simulation reacts instantly. Observe changes to the equation and wire as you play with the resistivity, length, and area sliders.
Questions & answers
- What is Resistance in a Wire?
- Resistance in a Wire 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. Observe changes to the equation and wire as you play with the resistivity, length, and area sliders.
- What can kids learn from Resistance in a Wire?
- It helps kids explore: predict how changing each variable will affect the resistance. explain the difference between resistance and resistivity.
- What age is Resistance in a Wire 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 Resistance in a Wire free to play?
- Yes — Resistance in a Wire is completely free on crumble.lol and runs fully in your browser on computers and tablets.