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The relative permiability of a diamagnet...

The relative permiability of a diamagnetic substance is ........ .. .

A

(A) very large

B

(B) small but greater than 1

C

(C) less then 1

D

(D) negative

Text Solution

Verified by Experts

The correct Answer is:
C
Relative permiability `mu_(r) = (mu)/( mu_0) = 1 + 1 chi_(m)`
For a diamagnetic substance `chi_(m)` is negative, so `mu_(r)` will be less than 1.
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KUMAR PRAKASHAN-MAGNETISM AND MATTER-SECTION D Multiple Choice Questions (MCQs) (MCQs From .DARPAN. Based On Textbook) Magnetisation and Magnetic Properties of Materials, Permanent Magnets and Electromagnets
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  2. Which of the following has negative magnetic susceptibility ?

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  3. The relative permiability of a diamagnetic substance is ........ .. .

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  6. One ferromagnetic substance has magnetic susceptibility chi(m) at 27^(...

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  7. Hysteresis cycle of a permanent magnet is ..... and .....

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  8. In non-uniform magnetic field, a diamagnetic substance experiences a r...

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  9. When a paramagnetic substance is brought near to north or south pole o...

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  10. Magnetization for vaccum is ........

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  11. Water is .....

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  12. The intensity of magnetization of a magnet of magnetic dipole moment 1...

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  13. Which of the following behaves as paramagnetic substance ?

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  14. Magnetic susceptibility of paramagnetic substance is ...... .

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  15. Domain formation is the necessary feature of...

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  16. Electromagnet is used in ...

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

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  18. Relative permeability of iron is 5500, then its magnetic susceptibilit...

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  19. Magnetic field and magnetic intensity are 1 T and 150 "Am"^(-1) respec...

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  20. M is intensity of magnetisation and H is magnetic intensity. Give the ...

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