Chapter 5: Magnetism and Matter
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Field lines never:
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Min torque at:
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Max torque at:
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Torque formula:
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Field of dipole varies:
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Earth behaves like:
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Magnetisation M is:
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Bohr magneton relates to:
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Soft iron is used for:
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Steel is used for:
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Soft iron has:
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Coercivity:
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Retentivity:
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Area of loop:
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Hysteresis loop:
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Relative permeability:
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Permeability μ:
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Unit of H:
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Relation B, H, M:
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Magnetic susceptibility is:
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At high temp ferro becomes:
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Ferromagnetism disappears above:
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Paramagnetism due to:
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Diamagnetic induced moment:
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Domains exist in:
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Susceptibility of ferro:
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Ferromagnetic example:
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Paramagnetic example:
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Diamagnetic example:
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Ferromagnetic materials show:
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Relative permeability (para):
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Relative permeability (dia):
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Ferromagnetic materials have:
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Paramagnetic substances have:
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Diamagnetic substances have:
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Magnetic dipole moment is:
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Unit of magnetisation:
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Freely suspended magnet aligns along:
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Magnetic field lines are:
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Dipole in uniform field experiences:
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Dimension of magnetic field is:
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Field at equatorial point is:
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Field at axial point is:
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Torque is zero when:
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Direction of magnetic moment is from:
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The magnetic dipole moment depends on:
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Magnetic field lines outside a magnet go from:
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Magnetic field lines inside a magnet go from:
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The SI unit of magnetic dipole moment is:
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A bar magnet is equivalent to:
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