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Electromagnetic Devices

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Real World Application
    Lucky Discovery

    Lucky Discovery

    by CK-12 //basic

    Find out why the accidental discovery of electromagnetism made much of modern life possible because so many modern devices use electromagnets.

  • Real World Application
    Telephone Magic

    Telephone Magic

    by CK-12 //basic

    Discover how electromagnets in telephones turn electrical signals to sound waves that you can hear.

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