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An electron in an atom revolves around t...

An electron in an atom revolves around the nucleus in an orbit of radius 0.5 A and the frequency of revolution of electron is 1010 MHz. Then current is_______.

A

`1.6xx10^(-2) A`

B

`1.6xx10^(-35) A

C

`1.6xx10^(-3) A`

D

`0.16 A`

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CHETANA PUBLICATION-Magnetic Materials-EXERCISE
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  2. The Gyromagnetic Ratio is given by

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  3. An electron in an atom revolves around the nucleus in an orbit of radi...

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  4. The root cause of magnetic properties in a substance is.

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  5. According to Curie's law, magnetization is proportional .

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  6. If a paramagneticmaterial is placed in a magnetic field, the flux dens...

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  7. S.I. unit of magnetic dipole moment is .

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  8. Unique property associated with ferromagnetic material is.

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  9. (12)The magnetic moment is not associated with .

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  10. The correct relation between p and % is .

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  11. In which type of material the magnetic susceptibility does not depend ...

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  12. The magnetic susceptibility of magnesium is 10xx10^(-5). Its permeabil...

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  13. Magnetic susceptibility is positive and large for

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  14. The magnetic dipole moment of a bar magnet is 20 A-m^2. It is 20 cm lo...

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  15. If the relative permeability of iron is 3000, its absolute permeabilit...

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  16. A circular coil of 500 turns and area of 0.5 cm^2 carries a current of...

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  17. Magnetic susceptibility does not depend upon temperature then the mate...

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  18. The magnetic moment per unit volume of a material is.

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  19. Which of the following statements is correct for diamagnetic materials...

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  20. Diamagnetic substances are.

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