Static Electricity and Current
by Anonymous
Change charge signs, distance, and a magnet's motion in a coil to see charge conservation, the inverse-square law, and how change—not presence—makes current.
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About this app
Static Electricity and Current is an interactive middle school science app covering charge transfer, electric force, and electromagnetic induction. Explore rubbing pairs to see electrons move without creating net charge, change balloon signs and distance to observe attraction, repulsion, and inverse-square behavior, then move a magnet through a coil to examine induced current. Guided challenges, adjustable values, visual diagrams, and reset controls support hands-on learning.
Use cases
- Middle school students learning electricity and magnetism
- Teachers demonstrating charge transfer and Coulomb-style relationships
- Parents guiding at-home science exploration
- Learners reviewing static electricity and induction concepts
Features
- Interactive rubbing simulations with fur, glass, silk, and plastic
- Displays electron transfer and the sum of the two charges
- Adjustable balloon signs, charge amount, and distance
- Visualizes attraction, repulsion, proportional charge effects, and inverse-square distance effects
- Adjustable magnet pole, movement, speed, and coil turns
- Shows induced-current strength and direction, including zero current when the magnet stops