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A magnetising field of 2xx10^(3)Am^(-1) ...

A magnetising field of `2xx10^(3)Am^(-1)` produces a magnetic flux density of `8piT` in an iron rod. The relative permeability of the rod will be

A

`10 ^(2)`

B

`10^(0)`

C

`10^(1)`

D

`10^(4)`

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-MAGNETISM AND MATTER -EXERCISE
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  2. The length of a magnet is large compared to its width and breadth. The...

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  3. A defiection magnetometer works on

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

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

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

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

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

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

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

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

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  12. The universal proporty among all substance is

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

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

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

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  16. Domain formation is the necessary feature of

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

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  18. The hysteresis curve is generally studied in the case of

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  19. The variation of magnetic susceptibility (x) with absolute temperature...

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  20. If the magnetic dipole moment of an atom of diamagnetic material, para...

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