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PUNJAB BOARD PREVIOUS YEAR PAPERS-CLASSIFICATION OF MAGNETIC MATERIALS-Exercise
- If a piece of ferromagnetic substance is placed in a non uniform magne...
01:14
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- If a piece of paramagnetic displaced in a non-uniform magnetic field, ...
03:08
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- If a piece of diamagnetic substance isplaced in a non-uniform magnetic...
01:40
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- Write one property of diamagnetic substance.
01:27
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- Why steel is used to make permanent magnets ?
01:41
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- Write one property of paramagnetic substances.
00:58
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- Why soft iron core is used to make electromagnets ?
01:08
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- Write one property of ferromagnetic substance.
01:26
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- Write one property of ferromagnetic substance.
01:26
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- Write one property of paramagnetic substances.
00:58
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- What is paramagnetic substance ? Give one example.
01:16
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- What is a ferromagnetic substance ? Give one example.
01:26
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- What is Curie point ?
01:05
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- The magnetic susceptibility for a sample has a small negative value. T...
01:22
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- The magnetic susceptibility for a sample has a small positive value.To...
01:21
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- Define hysteresis.
06:35
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- Write one property of ferromagnetic substance.
01:26
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- Write one property of diamagnetic substance.
01:27
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- Write one property of paramagnetic substances.
00:58
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- Write one property of diamagnetic substance.
01:27
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