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Electromagnet loading

A solenoid wrapped around a ferromagnetic material. Current running through the wire produces a N and S pole.

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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.
  • Read
    Electromagnet

    Electromagnet

    by CK-12 //at grade
    What an electromagnet is, its strength and how it can easily be turned on and off.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Read
    전자석

    전자석

    by Whakuk Lee //at grade
    전자석, 전자석의 세기와 작동
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Read
    Electromagnet

    Electromagnet

    by Doug Davidson //basic
    What an electromagnet is, its strength and how it can easily be turned on and off.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Read
    Electromagnet

    Electromagnet

    by Jason Scott //at grade
    What an electromagnet is, its strength and how it can easily be turned on and off.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Read
    Electromagnet

    Electromagnet

    by Sarah DeWees //at grade
    What an electromagnet is, its strength and how it can easily be turned on and off.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Read
    Electromagnet 807.12.1; 12.2; 12.3

    Electromagnet 807.12.1; 12.2; 12.3

    by Shawn R. Bouldin //at grade
    What an electromagnet is, its strength and how it can easily be turned on and off.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Simulation
    Magnets and Electromagnets

    Magnets and Electromagnets

    by CK-12 //at grade
    A simulation of magnets vs. electromagnets.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Video
    DIY Super Electromagnet

    DIY Super Electromagnet

    by Charles Yu //at grade
    How to Make a BIG and Powerful Electromagnet with the Primary of the transformer of a microwave oven. Remove the Secondary. With Iron or Steel (ferromagnetic materials) it attracts with a really great strength. With non ferrous metals like aluminum and copper it repels them due to Eddy currents. Courtesy of mopatin
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Video
    Electromagnets - How can Electricity Create a Magnet?

    Electromagnets - How can Electricity Create a Magnet?

    by CK-12 //at grade
    Explains how electromagnets turn electricity into magnetism.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Downloadable Quiz
    Electromagnet Quiz - MS PS

    Electromagnet Quiz - MS PS

    by CK-12 //at grade
    Reviews what an electromagnet is, how it can be controlled, and why electromagnets are so strong.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Real World Application
    Keep That Away from the TV!

    Keep That Away from the TV!

    by Savanna Li //at grade
    How do magnets affect your electromagnetic devices? Learn about electromagnets!
    MEMORY METER
    This indicates how strong in your memory this concept is
  • 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.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Real World Application
    Telephone Magic

    Telephone Magic

    by Teresa Kelley //basic
    Discover how electromagnets in telephones turn electrical signals to sound waves that you can hear.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Flashcards
    Electromagnet

    Electromagnet

    by Ellaine Chou //basic
    These flashcards are here to help you better understand middle school physical science.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Flashcards
    Electromagnet

    Electromagnet

    by Kyle Bardman //basic
    These flashcards will help you better understand Physical Science for middle school.
    MEMORY METER
    This indicates how strong in your memory this concept is
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