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PUNJAB BOARD PREVIOUS YEAR PAPERS-CLASSIFICATION OF MAGNETIC MATERIALS-Exercise
- Why steel is used to make permanent magnets ?
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- Write one property of paramagnetic substances.
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- Why soft iron core is used to make electromagnets ?
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- Write one property of ferromagnetic substance.
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- Write one property of ferromagnetic substance.
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- Write one property of paramagnetic substances.
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- What is paramagnetic substance ? Give one example.
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- What is a ferromagnetic substance ? Give one example.
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- What is Curie point ?
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- The magnetic susceptibility for a sample has a small negative value. T...
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- The magnetic susceptibility for a sample has a small positive value.To...
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- Define hysteresis.
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- 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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