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The variation of magnetic susceptibility...

The variation of magnetic susceptibility `(chi)` with absolute temperature `T` for a ferromagnetic material is

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B

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AAKASH INSTITUTE ENGLISH-Mock Test 31: PHYSICS-Example
  1. Lines joining places of equal angle of declination are called

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  2. A magnetic needle is made to vibrate in uniform field H, then its time...

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  3. The magnetic needle of a tangent galvanometer is deflected at an angle...

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  4. If a magnet of pole strenght m is divided into four parts such that t...

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  5. The angle between the magnetic meridian and geographical meridian is c...

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  6. When the N-pole of a bar magnet points towards the south and S-pole to...

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  7. Which of the following statement is incorrect?

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  8. A ship is sailing due west according to Mariner's compass . If the dec...

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  9. The values of apparent angles of dip in two places measured in two mut...

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  10. The true value of dip at a place is 30^(@). The verticle plane carryin...

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  11. When a current of 1A passes through a tangent galvanometer, angle of d...

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  12. The magnetism of a bar magnet is due to

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  13. The only property possessed by ferromagnetic substance is

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  14. Which of the following statement is incorrect about hysteresis?

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  15. For an isotropic medium B, mu, H and M are related as (where B, mu(0),...

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

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  17. The coercivity of a bar magnet is 120A//m. It is to be demagnetised by...

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  18. Relative permittivity and permeability of a material are epsi(r) and m...

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

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  20. The material suitable for making electromagnets should have

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