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SS3: PHYSICS - 1ST TERM

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  1. Energy & Society
    4 Topics
  2. Electromagnetic Waves
    1 Topic
  3. Gravitational Field
    7 Topics
  4. Electric Field
    4 Topics
  5. Capacitance & Capacitor
    4 Topics
  6. Electric Field
    1 Topic
  7. Multiplier & Shunt
    4 Topics
  8. Conduction through Liquids
    5 Topics
  9. Conduction through Gases
    4 Topics
  10. Magnetic Field
    10 Topics



Lesson 10, Topic 3
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Soft & Hard Magnetic Substances

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Materials that are easily magnetized and easily lose their magnetism are soft magnetic substances. E.g. iron, mu-metal; they are always used as temporary magnet 

Materials that are not easily magnetized and do not lose their magnetism easily are called hard magnetic substances. They are used for making permanent magnets e.g. steel, nickel, and cobalt.

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