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R G PUBLICATION-MAGNETISM AND MATTER-EXERCISE
- What are limits of earth's magnetic field?
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- Where is the vertical component of earth's magnetic field zero?
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- Can we have a magnet with single pole?
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- What is the significance of Gauss law in magnetism?
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- On what factor pole strength of a magnet depend?
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- Write mathematical form of tangent law in magnetism.
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- Are the two pole of magnet equally strong?
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- Deduce the expression for the magnetic dipole moment of a revolving el...
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- S.I. unit of magnetic dipole is
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- What is the potential energy of a dipole when it is perpendicular to ...
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- Write a short note on "Bar magnet".
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- Draw the magnetic field lines of a bar magnet.
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- State Gauss's law.
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- "The strength of the earth's magnetic field varies from place to place...
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- Differentiate between magnetic equator and geographic equator.
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- The earth's magnetic field at the equator is approximately 0.4G. Esti...
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- Define magnetic declination.
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- In the magnetic meridian of a certain place, the horizontal component ...
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- Distinguish between dia and paramagnetic substance.
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- What is ferromagnetism? What are the ferromagnetic substance?
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