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A compass needle, free to turn in a ver...

A compass needle, free to turn in a vertical plane orients itself with its axis vertical at a certain place on the earth. Find out the values of horizontal component of earth.s magnetic field and

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A compass needle, free to turn in a vertical plane orients itself with its axis vertical at a certain place on the earth. Find out the values of angle of dip at the place.

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A magnetic needle free to rotate in a vertical plane parallel to the magnetic meridian has its north up pointing down at 22^@ with the horizontal. The horizontal component of the earth's magnetic field at the place is known to be 0.35 G. Determine the magnitude of the earth's magnetic field at the place.

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The value of horizontal component of earths magnetic field at a place is 0.35 xx 10^-4 tesla. If the angle of dip is 60^@ , the value of vertical component of earths magnetic field is about :

OSWAAL PUBLICATION-Sample Paper 6-Exercise
  1. Draw Wheatstone bridge and write the condition for balance.

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  2. Derive the expression for the energy stored in a parallel plate capaci...

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  3. Explain the construction of transformer. Mention its principle.

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  4. Define .dielectric constant. of a medium. Briefly explain why the capa...

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  5. Write any four characteristics of electromagnectic waves. Give two use...

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  6. Write any four characteristics of electromagnectic waves. Give two use...

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  7. Name the phenomenon in which an emf is induced in a coil due to the ch...

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  8. Explain the use Zener diode as a voltage regulator.

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  9. Write Einsten.s photoelectric equation and point out any two character...

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  10. State radioactive decay law. Derive N=N0e^(-lambdat) for a radioactiv...

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  11. Derive the expression for lateral shift produced when a ray of light p...

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  12. What is amplification? With a circuit diagram, explain the working of ...

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  13. Explain the experiment to determine the resistivity of the material of...

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  14. A small compass needle of magnetic moment .m. is free to turn about an...

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  15. A compass needle, free to turn in a vertical plane orients itself wit...

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  16. A compass needle, free to turn in a vertical plane orients itself wit...

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  17. Using Bohr.s postulates, derive the expression for the frequency of ra...

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  18. An a.c. source of 220 V, 50 Hz is connected to a series combination of...

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  19. Point charges of 10nC,20nCand10nC are kept at the corners A,B C of a ...

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  20. A battery of internal resistance 3Omega is connected to 20Omega resist...

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