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प्रश्न
Give any ‘two’ points of differences between diamagnetic and ferromagnetic substances.
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उत्तर
| Diamagnetic Substance | Ferromagnetic Substance | ||
| 1 | Weakly repelled by a magnet | 1 | Strongly attracted by a magnet |
| 2 | When kept in a non-uniform magnetic field, it shows moderate tendency to move from stronger to the weaker part of the field. | 2 | When kept in a non-uniform magnetic field, it shows strong tendency to move from weaker to the stronger part of the field. |
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संबंधित प्रश्न
Distinguish between ‘paramagnetic’ and ‘ferromagnetic’ substances.
Which of the following substances is ductile?
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(a) 0.45 mV
(b) 4.5 mV
(c) 45 mV
(d) 450 m V
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annealed iron at saturation. (μ0 = 4Π × 10−7 SI unit)
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A tangent galvanometer shows a deflection of 45° when 10 mA of current is passed through it. If the horizontal component of the earth's magnetic field is `B_H = 3.6 xx 10^-5 "T"` and radius of the coil is 10 cm, find the number of turns in the coil.
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Answer the following question.
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Choose the correct option:
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The magnetic property of magnetic substance is associated with ____________.
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Most of the substance show which of the magnetic property:-
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S is the surface of a lump of magnetic material.
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- Some lines of B must be discontinuous across S.
- Lines of H are necessarily continuous across S.
- Lines of H cannot all be continuous across S.
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What is magnetic hysterisis?
Explain the origin of paramagnetism on the basis of atomic structure.
Explain the Domain theory in brief.
