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A magnetic needle free to rotate in a ve...

A magnetic needle free to rotate in a vertical plane parallel to the magnetic meridian has its north tip down at `60^@` with the horizontal. The horizontal component of the earth's magnetic field at the place is known to be 0.4G. Determine the magnitude of the earth's magnetic field at the place.

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PATHFINDER-MAGNETISM AND MATTER-QUESTION BANK
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  3. A magnetic needle free to rotate in a vertical plane parallel to the m...

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  4. Explain horizontal component of Earth's magnetic field.

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  6. Two poles one of which is 5 times as strong as the other, exert on eac...

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  7. Derive an expression for magnetic dipole moment of a revolving electro...

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  8. In hydrogen atom, the electron moves in an orbit of radius 0.5overset@...

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  9. A magnetised steel wire 31.4 cm long has a pole strength of 0.2 Am. It...

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  10. Two identical thin bar magnets, each of length L and pole strength m a...

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  11. Two identical short bar magnets each of magnetic moment 12.5 Am^2 are ...

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  12. The horizontal and vertical components of earth's field at a place are...

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  13. Name two paramagnetic materials.

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  14. Define neutral point. How will you find the magnetic moment of a bar m...

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  15. Compare the properties of dia, para, and ferromagnetic substances.

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  16. What is the basic difference between the atom or molecule of a diamagn...

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  17. Explain the phenomenon of hysteresis in magnetic materials. Draw the h...

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  18. State Curie's Law.

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  19. Define Curie temperature.

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  20. The following figure shows the variation of intensity of magnetisation...

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