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A magnet makes 30 vibrations per minute ...

A magnet makes 30 vibrations per minute at a place, where horizontal component of earth's field is 0.18G. At another place if it takes 1.6s to complete one vibration. What is the value of horizontal component of earth s field there? What is the magnetic moment if its moment of inertia is `10^-5 kg m^2`?

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CHETANA PUBLICATION-Magnetic Materials-EXERCISE
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  2. The susceptibility magnesium is 1.5 xx 10^-5 at 300 K. What will be it...

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  3. The magnetic susceptibility of bismuth is 2.1xx10^-6. Calculate relati...

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  4. Themagneticmoment of a magnet of dimensions 5 cmxx2.5 cmxx1.25 cm is 3...

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  5. Magnetic susceptibility of a paramagnetic substance is 5xx10^-4. The u...

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  6. Magnetic susceptibility of a paramagnetic substance is 5xx10^-4 The u...

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  7. Magnetic susceptibility of a paramagnetic substance is 5xx10^-4. The ...

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  8. Find the percent increase in magnetic field B when the space within a ...

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  9. Solenoid core made of iron having relative permeability 5000. It is ca...

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  10. The magnetic field Band themagneticintensity H in a material are found...

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  11. A bar magnet of moment 7.5 Am^2 experiences a torque of 1.5xx10^-4 Nm,...

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  12. A magnet makes 55 vibrations in one minute where horizontal component ...

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  13. Two bar magnets having their moment of inertia in the ratio 1: 1.5 osc...

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

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

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

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

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  18. The Gyromagnetic Ratio is given by

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

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

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

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