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Science Electricity Glossary

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An instrument used to measure current in a circuit.
Ammeter
The unit of current.
Ampere
The amount of electricity in a circuit.
Charge
A complete path around which an electric current can flow.
Circuit diagram
A substance that does let electricity flow through it.
Conductor
The flow of electrons around a circuit.
Current
A connection between an electrical appliance and the ground.
Earth
Tiny negatively charged particles found outside an atom.
Electron
Stops the current from blowing when there's a fault in the circuit.
Fuse
A substance which does not allow electricity to flow through.
Insulator
The brown wire in the plug.
Live
Good conductors of electricity.
Metal
The blue wire in the plug.
Neutral
The unit of resistance.
Ohms
An electric circuit with branches.
Parallel circuit
Resisting the flow through the circuit.
Resistance
An electric circuit without branches.
Series circuit
The unit of voltage
Volt
Electrical push in a circuit.
Voltage