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R G PUBLICATION-MAGNETISM AND MATTER-EXERCISE
- What is Curie temperature of a ferromagnetic material? Give one exampl...
02:53
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- What are hard ferromagnetic and soft ferromagnetic materials? Give on...
03:34
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- Deduce the expression for torque on a rectangular current loop in a un...
08:22
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- Distinguish among paramagnetic , ferromagnetic and diamagnetic materia...
02:09
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- Find the expression for mutual inductance between a pair of co-axial c...
10:16
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- A short bar magnet plaved with its axis at 30^@ with a uniform externa...
01:42
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- Define the elelemts of the earth's magnetic field.
02:44
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- Define magnetization and magnetic intensity.
02:02
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- From which source, the word 'magnet' is derived?
01:34
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- State Gauss's law for magnetism.
01:57
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- What is dynmo effect?
02:53
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- What is geographic meridian?
02:06
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- What is magnetic susceptibility?
01:48
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- What is relative magnetic permiability?
02:23
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- Write the expressions for magnetisation M and magnetic intesity H.
02:57
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- What is diamagnetism?
03:05
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- What is paramagnetism?
01:33
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- What is Curie's law?
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- Write the limitations of Curie's law.
04:33
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- Alnico, an alloy of iron, aluminium, nickel, cobalt and copper are har...
03:26
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