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Which of the following materials would w...

Which of the following materials would weaken the magnetic field strength at a point if introduced ?

A

Cu

B

Al

C

Liquid `O_(2)`

D

Co

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The correct Answer is:
A
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AAKASH INSTITUTE-MAGNETISM AND MATTER -Assignment Section - A Objective Type Questions (One option is correct)
  1. A magnet of magnetic moment M and having moment of inertia I , is susp...

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  2. The permeability of a specimen decreases drastically above certain tem...

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  3. Which of the following materials would weaken the magnetic field stren...

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  4. A magnetic needle lying parallel to a magnetic field requires X units ...

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  5. A hydrogen atom is a paramagnetic. A hydrogen molecule is –

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  6. At a certain place , the horizontal component of earth's magnetic fie...

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  7. A diamagnetic substance when placed gently in a magnetic field moves

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  8. A frog can be levitated in a strong magnetic field below it . This is ...

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  9. The direction of the null point is on the equatorial line of a bar mag...

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  10. Relative permeability of iron is 5500 . Its magnetic susceptibility is

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  11. Two similar magnets of magnets moments M(1) and M(2) are taken and vib...

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  12. If the earth's field induction at a place is 0.36 G and the angle of d...

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  13. Gauss's theorem is

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  14. In following symbols are having usual meaning then which of the follow...

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  15. The graph between chi and T for paramagnetic material will be represen...

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  16. The variation of magnetic susceptibility (chi) with temperature for di...

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  17. Which of the following magnetic field (static) lines are correctly rep...

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  18. Effect due to which earth's magnetism exist is called

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  19. The location of the north magnetic pole is a latitude of

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  20. Two magnets of equal magnetic moments M each are placed as shown in fi...

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