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The value of mu(0) Is equal to ............

The value of `mu_(0)` Is equal to ............ .

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The correct Answer is:
`4 pi xx 10^(7) `Hm
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FULL MARKS-MAGNETISM AND MAGNETIC EFFECTS OF ELECTRIC CURRENT -ADDITIONAL QUESTIONS SOLVED -III. FILL IN THE BLANKS :
  1. The unit of pole strenghts is .................. .

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  2. The unit of magnetic flu xxdensity is ................

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  3. The value of mu(0) Is equal to ............ .

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  4. A unit pole exxperiences a force of ............. .

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  5. At netutral points the resultant magnetic field due to the magnet and ...

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  6. The circular scale of deflection magneto meter is divided into ..........

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  7. Each quadrant of the circular scale of deflection magnetometer is grad...

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  8. The sensitivity of the deflection magnet meter is more at ........ .

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  9. The magnetic field used to magnetic a material is called the ............

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  10. The unit of magnetic field is

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  11. The magnetic moment per unit volume of the material is termed as ........

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  12. The magnetic moment per unit volume of the material is termed as ........

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  13. In diamagnetic materials the net magnetic moment of atoms is ............

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  14. The susceptibility of diamagnetic materials has a ................ . V...

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  15. The susceptibility (X(m)) of bismuth is ................. .

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  16. The relative permeability of a diamagnetic material is

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  17. Ferromagnetic substances have ................. Magnetic moment.

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  18. As the temperature increase , the value of susceptibility of the ferro...

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  19. The phenomenon of lagging of magnetic induction behind the magnetising...

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  20. The direction of the magnetic field in a current carrying conductor is...

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