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a paramagnetic sample slows net magnetis...

a paramagnetic sample slows net magnetisation of 18 `Am^(-1)` when placed in an external magnetic field of 0.9 T at a temperature of 36 K. When the same sample is placed in an external magnetic field of 0.3T at a temperature of 54 K, the magnetisation will be

A

`4 A m^(-1)`

B

`81 Am^(-1)`

C

`36Am^(-1)`

D

`9Am^(-1)`

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AAKASH INSTITUTE-TEST 6-EXAMPLE
  1. A magnetising field intensity of 10 Am^(-1) is applied on a sample of ...

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  2. The variation of magnetic susceptibility (chi) with absolute temperatu...

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  3. a paramagnetic sample slows net magnetisation of 18 Am^(-1) when place...

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  4. A uniformly charged solid sphere a mass M, radius R having charge Q is...

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  5. A short bar magnet having magnetic moment M=0.80 JT^1 is placed in uni...

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  6. Which one of the following is not considered as elements of earth's ma...

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  7. A coil in the shape of an equilateral triangle of side 0.01m is suspen...

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  8. A He^(2+) at rest experiences an electromagnetic force. Then (where E ...

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  9. The direction of the magnetic force on a positive charge q moving with...

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  10. Which one of the following statement is incorrect?

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  11. An element of length vecDeltal=DeltazhatK is placed at origin and carr...

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  12. An element of length vec(Deltal) = Deltazhatk is placed at origin and ...

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  13. The direction of the magnetic force on a positive charge 'q' moving w...

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  14. A coil in the shape of an equilateral triangle of side 0.01 m is suspe...

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  15. Which one of the following is not considered as element of earth's mag...

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  16. A short bar magnet having magnetic moment M = 0.80 JT^(-1) is placed i...

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  17. A paramagnetic sample shows net magnetisation of 18 Am^(-1) when place...

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  18. A magnetising field intensity of 10Am^(-1) is applied on a sample of f...

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  19. If current I = Kcosomegat,(where K is a constant and t is time) then R...

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  20. Which of the following physical phenomena does not produce electromagn...

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