Electrical Gadgets Glossary

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Static electricity

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The buildup of the electrical charge in an object when it is rubbed against another object.

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Current electricity

Back

Electricity that moves from one place to another, caused by a flow of charged particles (usually electrons).

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Electron

Back

A negatively charged particle that moves around the nucleus of each atom.

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Insulator

Back

A material that does not allow electricity to flow through it.

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Conductor

Back

A material that does allow electricity to flow through it.

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Current

Back

The number of electrons moving in a circuit every second, measured in Amps (A).

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Circuit

Back

A closed loop that electrons or charged particles can flow through.

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Series circuit

Back

A circuit that only has one path for electrons to flow.

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Parallel circuit

Back

A circuit that has more than one path for electrons to flow.

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Voltage

Back

The energy used by a component in a circuit, measured in Volts (V).