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GCSE Physics - Electricity > Mains Electricity And Plug Socket > Flashcards

Mains Electricity And Plug Socket Flashcards

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1
Q

What are the volts and hertz of UK mains power?

A

230V

50Hz

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2
Q

What is a live wire?

A

A brown coloured wire that carries the alternating potential difference from the supply.

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3
Q

What is the neutral wire?

A

A blue coloured wire that completes the circuit, taking the current back to the source.

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4
Q

What is the earth wire?

A

A green and yellow striped wire that stops the appliance becoming live. If there is an electrical fault the earth wire will prevent the current from reaching a person and harming them.

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5
Q

What is a fuse?

A

A safety device with a small thin wire. If the current gets too high, the fuse will melt and break the circuit.

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GCSE Physics - Electricity (4 decks)

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