Physics

8th -

10thgrade

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Cables and Plugs

105
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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Name the colour of each of the three wires in a mains plug.

    Red

    Blue

    Green

    Brown

    Yellow and Green

  • 2. Multiple Choice
    30 seconds
    1 pt

    Explain why each of the wires in a three-core mains cable is insulated.

    To keep them warm

    To keep them cool

    To prevent electrical connection between them inside the cable

  • 3. Multiple Choice
    30 seconds
    1 pt
    Image

    What is the name given to the blue wire?

    Neutral Wire

    Earth Wire

    Live Wire

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