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PUNJAB BOARD PREVIOUS YEAR PAPERS-CLASSIFICATION OF MAGNETIC MATERIALS-Exercise
- Write one property of ferromagnetic substance.
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- Write one property of diamagnetic substance.
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- Write one property of paramagnetic substances.
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- Write one property of diamagnetic substance.
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- Write one property of ferromagnetic substance.
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- Write whether the given statement is true or false : The magnetic susc...
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- Write whether the given statement is true or false : A diamagnetic sub...
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- Write whether the given statement is true or false : The diamagnetic s...
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- What are diamagnetic substances ?
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- What is a ferromagnetic substance ? Give one example.
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- Paramagnetic substance obeys Curie.s law. (Yes/No.)
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- Define magnetic retentivity for a ferromagnetic substance.
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- Give two points to compare the magnetic properties of steel and soft i...
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- What type of magnetic material is used in making electromagnets and wh...
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- Which material is preferred for making permanent magnets? Give reason ...
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- Give four differences between ferromagnetic, paramagnetic and diamagne...
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- What type of magnetic material is used in making electromagnets and wh...
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- What are permanent and electromagnets ? Compare their important proper...
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- What are dia-, para- and ferro-magnetic materials ? Discuss their impo...
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- Explain how an atom behaves as a magnetic dipole ? Find an expression ...
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