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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 7-Exercise
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  2. The current in a coil is changing from 10 A and 8 A in 0.01 second. Th...

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  4. State two conditions required for obtaining coherent sources. In Young...

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  5. Derive an expression for potential energy of a system of two charges i...

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  6. What is full wave rectification? Explain the working of a full wave re...

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  7. With the help of necessary circuit diagram explain the working of a ph...

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  8. Show that the force on each plate of a parallel plate capacitor has a ...

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  9. Distinguish between .sky waves. and .space waves. modes of propagatio...

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  10. Distinguish between .sky waves. and .space waves. modes of propagatio...

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  11. Define half-life of a radioactive substance. Derive the expression for...

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

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

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

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  15. What is drift velocity of free electrons ? Deduce I = n A eV(d) where ...

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  16. A charged particle enters a region of uniform magnetic field with its ...

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  17. A charged particle enters a region of uniform magnetic field with its ...

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  19. Calculate the resonant frequency and Q-factor of a series L-C-R circui...

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