Science

7th

grade

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Electric current and its effects

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22 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    The given circuit is an example of __________ effect of electric current

    Magnetic effect

    Heating effect

    Chemical effect

  • 2. Multiple Choice
    30 seconds
    1 pt

    The instrument used to separate iron scrap from the junk yard that uses magnetic effect is

    Image
    Image
    Image
  • 3. Multiple Choice
    30 seconds
    1 pt

    Magnetic effect of electric current was invented by

    Coulomb

    Oersted

    Joule

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