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Can there be magnets with single-pole?...

Can there be magnets with single-pole?

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A bar magnet of length 8 cm is placed on a horizontal plane in the magnetic with its north pole pointing north . If the magnetic moment moment of the the magnet be 90 CGB units and the horizontal component of earth's magnetic field be 0.35 Oe , determine the positions of the neutral points .

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What do you mean by neutral point for a bar magnet placed in the geomagnetic field ? What will be the positions of neutral points for the bar magnet with its (i) north pole pointing north , (ii) north pole pointing south ? Show them with the help of suitable diagrams .

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Define neutral point. How will you find the magnetic moment of a bar magnet by locating its neutral point, when magnet is placed with its north pole towards (a) north pole of the earth and (b) south pole of the earth?

A small bar magnet is place horizontally in the magnetic meridian with its north pole pointing south ,. A neutral point is formed on the axis of the bar magnet at a distance of 24 cm from its south pole. If the horizontally component of earth's magnetic field is 0.18xx10^(-4) what will be the magnetic field at a distance of 20 cm north of the south pole?

Does any force act on a magnetic north pole if it is brought near a negatively charged conductor at rest?

UNITED BOOK HOUSE-MODEL PAPER SET-10-EXERCISE
  1. No two electric field lines can intersect each other. Why?

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  2. What is the value of an electron-volt?

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  3. Can there be magnets with single-pole?

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  4. What is the unit of magnetic flux?

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  5. Can we cast the image formed by a convex mirror on a screen?

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  6. What is S.I. unit of power of a lens?

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  7. What is the phase difference between any two points on the same wavefr...

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  8. Name the phenomenon which illustrates the particle nature of light.

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  9. A TV tower is 80m tall. Calculate the maximum distance upto which the ...

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  10. What is the purpose of modulating a signal in transmission?

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  11. Write down the binary addition of 101010 and 010101.

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  12. Give the symbol of NOR gate.

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  13. An object is placed in front of a convex mirror of radius or curvature...

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  14. What is Lorentz force? Also write the expression for it?

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  15. Write down the dimension of magnetic field. Also write its unit in S.I...

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  16. Two electric bulbs A and B are marked 220V, 40W and 220V, 60W respecti...

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  17. How much current does a Geyser rated 2 KW draw when connected to 230V ...

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  18. What is electric flux? Write down its S.I. unit?

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  19. Write down the statement Gauss’s theorem.

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  20. Derive an expression for electric field intensity at a point on the ax...

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