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Physics

Static electricity

Transfer charge between two contacts, then explore carpet charging and air breakdown.

Static electricity — Actual application image
Actual application image

What happens

Transfer charge, then release the balloon between + and − contacts. Drag it to either contact to exchange charge. The carpet scene compares voltage with air breakdown.

Equations used in the module
Equations
F = k q₁ q₂ / r²,   k = 1/(4πε₀)
E = k Q / r²,   V = k Q / r
charge sits on the outside of a conductor

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