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Section III · 2 live · 7 on the bench

⌁ Electricity & Electronics

From a rubbed balloon to the motor that moves your world — flow, push, and fields.

Open now
No. 37sim How does a circuit work? Electricity is not used up by your gadgets. It flows in a loop — what gets used up is the push. Open the page → No. 44sim Electromagnets A magnet you can switch off is worth a thousand that you can't — and you can make one from a nail and a wire. Open the page →
On the bench
Static electricityBatteriesSeries & parallelCapacitorsElectric motorsTransformersRadio waves