Household Electricity

Question 1

Describe alternating and direct current and give examples of both.

Answer 1

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Question 2

State the frequency of the alternating current in mains electricity, and its potential difference.

Answer 2

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Question 3

Describe the structure and wiring of a 3-pin plug.

Answer 3

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Question 4

Describe how fuses and RCCBs protect electrical equipment.

Answer 4

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Question 5

Describe how an earth wire protects equipment with a metal casing.

Answer 5

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