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A magnetic dipole of magnetic moment 1.4...

A magnetic dipole of magnetic moment `1.44 A m^2` is placed horizontally with the north pole pointing towards north. Find the positon of the neutral point if the horizontal component of the earth's magnetic field is `18 muT`.

A

10 cm south as well as north

B

20 cm east as well as west

C

`10(2) ^(1//3)` east as well as west

D

20 cm south as well as north

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-MAGNETISM AND MATTER -EXERCISE
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  2. The value of apparent angles of dip at two places measured in two mutu...

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  3. A magnetic dipole of magnetic moment 1.44 A m^2 is placed horizontally...

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  4. The time period of a vibration magnetometer is T(0). Its magnet is rep...

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  5. The length of a magnet is large compared to its width and breadth. The...

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  6. A defiection magnetometer works on

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  7. The arms of a deflection magnetometer in tangent B position are placed...

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  8. The deflection magnetometer is most sensitive when the defiection the...

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  9. Two short magnet having magnetic moment in the ratio 27:8, when placed...

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  10. To work with a tangent galvanometer, how do you set its coil?

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  11. What is a reduction factor of tangent galvanometer and its unit of mea...

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  12. The number of turns and radius of cross-section of the coil of a tange...

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  13. Two tangent galvanometer A and B are identical except in their number ...

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  14. A magnetising field of 2xx10^(3)Am^(-1) produces a magnetic flux densi...

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  15. The universal proporty among all substance is

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  16. The variation of the intensity of magnetisation (l) with respect to th...

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  17. The magnetic susceptibility of a paramagnetic material at -73^(@)C "is...

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  18. Liquid oxygen remains suspended between two poles faces of a magnet be...

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  19. Domain formation is the necessary feature of

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  20. Susceplibility of a magnetic substance is found to depend on temperatu...

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