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Above curie point suspceptiblity of a fe...

Above curie point suspceptiblity of a ferromagnetic substance becomes

A

zero

B

small negative number

C

small positive number

D

large positive number

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. Which one of the following is not made of soft iron?

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  2. The variation of magnetic susceptiblity (chi) with magnetising field (...

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  3. Above curie point suspceptiblity of a ferromagnetic substance becomes

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  4. A cyclotron's oscillator frequency is 10 MHz what should be the operat...

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  5. A circular coil of 20 turns and radius 10 cm is placed in a uniform ma...

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  6. A circular coil of 20 turns and radius 10 cm is placed in a uniform ma...

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  7. A circular coil of 20 turns and radius 10 cm is placed in a uniform ma...

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  8. A circular coil of 30 turns and radius is 8.0 cm carrying a current of...

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  9. A circular coil of 30 turns and radius is 8.0 cm carrying a current of...

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  10. A uniform magnetic field of 1.5T exists in a cyllinserical region of r...

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  11. A uniform magnetic field of 1.5T exists in a cyllinserical region of r...

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  12. A uniform magnetic field of 1.5T exists in a cyllinserical region of r...

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  13. A toroid has a core (nonferromagnetic) of inner radius of 25 cm and ou...

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  14. A toroid has a core (nonferromagnetic) of inner radius of 25 cm and ou...

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  15. A toroid has a core (nonferromagnetic) of inner radius of 25 cm and ou...

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  16. Two concentric coils X and Y of radii 16cm and 10cm respectively lie i...

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  17. for a circular coil of radius R and N turns carrying a current I the m...

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  18. A closely wound solenoid of 2000 turns and area of cross section 1.6xx...

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  19. A closely wound solenoid of 2000 turns and area of cross section 1.6xx...

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  20. A circular coils of 16 turns and radius 10 cm carrying a current of 0....

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