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Magnetic permeability is maximum for...

Magnetic permeability is maximum for

A

diamagnetic substance

B

paramagnetic substance

C

ferromagnetic substance

D

all of these

Text Solution

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The correct Answer is:
C
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PATHFINDER-MAGNETIC EFFECT OF CURRENT AND ELECTROMAGNETISM-I,II AND III-QUESTION BANK
  1. A dip circle is taken to geomagnetic equator the needle is allowed to ...

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  2. Which of the folowing statements are true about the magnetic susceptib...

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  3. Magnetic permeability is maximum for

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  4. The relative permeability is represented by mur and the susceptiblity ...

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  5. when a piece of a ferromagnetic substance is put in a uniform magnetic...

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  6. For ferromagnetic material the relative permeability (mur) versus magn...

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  7. At the magnetic north pole of the earth the values of the horizontal c...

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  8. A ferromagnetic material is heated above its curie temprature which on...

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  9. At a certain place the angle of dip is 30^@ and the horizontal compone...

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  10. A circular coil of radius 20cm and 20 turns of wire is mounted vertica...

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  11. Two bar magnets of the same mass length and breadth having magnetic mo...

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  12. Two tangent galvanometer having coils of the same radius are connected...

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  13. A thin rectangular magnet suspended freely has a period of oscillation...

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  14. A dip circle is so placed that its needle moves freely in the magnetic...

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  15. The magnetic moment of a steel wire is M if it is bent into a half cir...

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  16. Two parallel wires in the plane of the paper are distance X0 apart. A ...

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  17. A galvanometer gives full scale deflection with 0.006A current. By con...

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  18. A charged particle of specific charge alpha moves with a velocity vecv...

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  19. A particle of charge q and mass m moves rectillineary under the action...

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  20. A charged particle with velocity hatv=xhati+yhatj moves in a magnetic ...

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