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7 Electrical circuit
Electrical circuits keywords
| Question | Answer |
|---|---|
| Measures how much electricity is flowing around a circuit. | ammeter |
| The unit for current. | amp (A) |
| A source of electricity with a low ‘energy’. Cells push electrons round a circuit. | cell |
| A complete loop that electricity flows around. | circuit |
| Something in a circuit, like a bulb, switch or motor. | component |
| A material that lets electricity flow through it. | conductor |
| The flow of electricity around a circuit. | electric current |
| A material that does not let electricity flow through it. | insulator |
| Alternating current at 230 V provided to houses, shops etc. | mains (electricity) |
| A source of electricity with a low energy (low voltage) used in the laboratory. | power pack |
| Turns electricity on or off, by closing or opening a gap in a circuit. | switch |
| A way of saying how much energy is transferred by electricity. | voltage |
| The smallest part of an element. | atom |
| The flow of electrons around a circuit. | electric current |
| Tiny particle that flows around a circuit. | electron |
| Thin piece of wire inside a light bulb that glows when electricity is flowing through it. | filament |
| A scientific way of thinking about how things happen. | model |
| A way of saying how difficult it is for electricity to flow through something. | resistance |
| A component that makes it difficult for electricity to flow. | resistor |
| A resistor that can be adjusted to change the amount of resistance it has. | variable resistor |
| A way of saying how much energy is transferred by electricity. | voltage |
| A circuit with two or more wires running next to each other. | parallel circuit |
| A circuit where there is only one loop of wire. | series circuit |
| The green and yellow wire in a cable or plug. | earth wire |
| Part of a plug that holds the cable, and stops the wires being pulled out of the pins. | cable grip |
| A piece of wire that melts if too much electricity flows through it. | fuse |
| The brown wire in a cable or plug. | live wire |
| The blue wire in a cable or plug. | neutral wire |
| When electricity flows through the body. | electric shock |
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