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A magnet was found to vibrate at a place...

A magnet was found to vibrate at a place with a period of T.A piece of brass of same length, breadth and mass was placed over the magnet. The new time period will be

A

2T

B

`T//sqrt2`

C

T/2

D

`sqrt2T`

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MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
  1. A magnet suspended in earth's magnetic field can vibrated in horizonta...

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  2. The time period of oscillation of a freely suspended manet does not de...

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  3. A magnet was found to vibrate at a place with a period of T.A piece of...

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

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  5. Which of following is not a unit of the intensity of magnetisation?

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  6. Which of the following is not the unit of magnetic induction ?

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  7. Which of the following is ferromagnetic?

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  8. An example of a ferromagnetic substance is

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  9. If the premanent magnetic moment of the atoms of a substance is zero, ...

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  10. From molecular view point, discuss the temperature dependence of susce...

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  11. The magnetic permeability is maximum for

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  12. Suspectibility is positive for

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  13. Choose the correct answer

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  14. Fill ups At ……………………..temperature a ferromagnetic material passes over...

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  15. Above curie temperature

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  16. The area of B-H curve is an indication of

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  17. Area contained within the hysteresis loop represents

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  18. The hysteresis curve of a magnetic material is generally studied for

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  19. The hysteresis cycle for the material of permanent magnet is

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  20. Direction. In the following questions, a statement of assertion is fol...

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