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Above curie temperature...

Above curie temperature

A

a paramagnetic substance becomes ferromagnetic.

B

a paramagnetic substance becomes diamagnetic

C

a ferromagneti substance becomes diamagnetic

D

a ferromagneti substance becomes paramagnetic.

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MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
  1. In which type of material the magnetic susceptibility does not depend ...

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  2. According to Curie's law, the magnetic susceptibility of a substance a...

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  3. Above curie temperature

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  4. Nickel shows ferromagnetic property at room temperature. If the temper...

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  5. Electromagnets are made of soft iron, because soft iron has

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  6. For protecting a sensitive equipment form external magnetic field, it ...

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  7. Using mass (M), length (L) time (T) and current (A) as fundamental qua...

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  8. A length of wire carries a steady current. It is first bent to form a ...

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  9. Magnetic field B on the axis of a circular coil and far away distance ...

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  10. A long straight wire of radius a carries a steady current I. the curre...

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  11. Which of the following conclusions can eb drawn from the result oint v...

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  12. An electron is travelling along the X-direction. It encounters a magne...

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  13. A charged particle enters a magnetic field H with its initial velocity...

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  14. A proton and an alpha particle of the same velocity enter in turn a re...

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  15. An electron (with charge 1. 6 xx 10 ^(-19) C) moving at right angles t...

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  16. In a mass spectrometer used for measuring the masses of ions, the ions...

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  17. A prot is about 1,840 time heavier than an electron. When it is accele...

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  18. A cyclotron is used to accelerate

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  19. The cyclotron frequency of an electron gyrating in a magneti fied of 1...

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  20. Two parallel beams fo positions moving in the same direction will

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