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Soft iron is used to make the core of tr...

Soft iron is used to make the core of transformer because of it's _____.

A

low coercivity and low retentivity

B

low coercivity and high retentivity

C

high coercivity and low retentivity

D

high coercivity and high retentivity

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CHETANA PUBLICATION-Magnetic Materials-EXERCISE
  1. Two bar magnets having their moment of inertia in the ratio 1: 1.5 osc...

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  2. Intensity of magnetic field of the earth at a point inside a hollow ir...

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  3. Soft iron is used to make the core of transformer because of it's .

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  4. An iron rod of 0.2cm^2 cross-sectional area is subjected to a magnetiz...

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  5. The susceptibility of the rod of a magnetic material is -0.04. What wi...

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  6. The Gyromagnetic Ratio is given by

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

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

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

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

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

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  12. Unique property associated with ferromagnetic material is.

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

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  14. The correct relation between p and % is .

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

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

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  17. Magnetic susceptibility is positive and large for

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

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

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

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