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The magnetic force required to demagneti...

The magnetic force required to demagnetise the material is

A

retentivity

B

Coercivity

C

energy loss

D

hysterisis

Text Solution

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The correct Answer is:
B
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NARAYNA-MAGNETISM-C.U.Q
  1. Which of the following quantities: (I) magnetic declination (II) dip i...

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  2. Domain formation is the necessary feature of

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  3. The magnetic force required to demagnetise the material is

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  4. The only property possessed by ferromagnetic substance is

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  5. Needles N(1) , N(2), and N(3) are made of a ferromagnetic, a paramagne...

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  6. Relative permitivity and permeability of a material epsilon(r) and mu(...

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  7. For soft iron, in comparison with steel

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  8. chi(1) and chi(2) are susceptinilities of diamagnetic substance at tem...

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  9. Ferromagnetic ore properties are due to

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  10. If a diamagnetic solution is poured into a U-tube and one aem of this ...

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  11. At curie temperature, in ferromagnetic materials

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  12. A sensitive magnetic instrument can be shielded very effectively from ...

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  13. In a permamnent magnet at room temperature

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  14. The angle of dip at a place on the earth gives

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  15. A point near the equator has

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  16. If I is the intensity of earth's magnetic field, H its horizontal comp...

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  17. A line joining places of zero declination is called

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  18. A line joining places of equal declinaiton is called

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  19. The needle of a dip circle when place at a geomagnetic pole stays alon...

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  20. The value of angle of dip is zero at the magnetic equator because on i...

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