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MHT-CET : Physics Entrance Exam

MHT - CET : Physics - Magnetism Glossary

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                     Magnetic Dipole: A system of two poles of same pole strength but opposite in nature and separated by some distance.

                     Axis of Dipole: The straight line passing through the poles of a magnetic dipole.

                     Equator of Dipole: The line perpendicular to the axis of dipole and passing through the centre of the dipole.

                     Magnetic Length: The distance 2l between two poles of a magnetic dipole.

                     North Pole of a Magnet: The imaginary point on the magnet from where magnetic lines of induction are assumed to originate.

                     South Pole of a Magnet: The imaginary point on the magnet at which magnetic lines of induction are assumed to terminate.

                     Magnetic Dipole Moment: The product of pole strength and magnetic length.

                     Diamagnetic Substance: A substance having moderate tendency to move from stronger to weaker parts of a non-uniform magnetic field.

                     Paramagnetic Substance: A substance having moderate tendency to move from weaker to stronger parts of a non-uniform magnetic field.

                     Ferromagnetic Substance: A substance having strong tendency to move from weaker to stronger parts of a non-uniform magnetic field.

                     Domains: Small regions in a ferromagnetic substance wherein magnetic moments of atoms are aligned parallel to each other.

                     Curie Temperature: The temperature at which the domain structure in ferromagnetic substance collapses and it is converted into a paramagnetic substance.

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