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Earth's magnetic field at the equator is...

Earth's magnetic field at the equator is approximately `4 xx 10^-5` tesla, `R = 6.4 xx 10^`m,`mu_o = 4pi xx 10^-7` SI unit. Calculate Earth's dipole moment.

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CHETANA PUBLICATION-MAGNETISM-EXERCISE
  1. Two bar magnets are placed on a horizontal surface. Draw magnetic line...

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  2. The vertical and horizontal components of the earth's magnetic inducti...

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  3. Earth's magnetic field at the equator is approximately 4 xx 10^-5 tesl...

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  4. A magnet makes an angle of 45^@ with the horizontal in a vertical plan...

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  5. In the magnetic meridian of a certain place, the horizontal component ...

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  6. At a given place on the earth a bar magnet of magnetic moment vec(m) i...

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  7. A bar magnet has pole strength of 10 A-m and a magnetic length of 5cm....

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  8. The magnetic induction at an axial point is equal to the magnetic indu...

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  9. Calculate the magnetic moment of a short magnet which produces magneti...

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  10. A short magnetic dipole has magnetic moment 0.5 Am2. Calculate the mag...

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  11. Calculate the distance from the centre of a short bar magnet of moment...

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  12. A short bar magnet has a magnetic moment of 2A -m^2. If its geometric ...

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  13. A magnetic needle free to rotate in a vertical plane parallel to the m...

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  14. A short bar magnet has magnetic moment 20 Am^2. The axis of the magnet...

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  15. Choose the corect options. Let r be the distance of a point on the ax...

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  16. Choose the corect options. Magnetic meridian isthe plane

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  17. Choose the corect options. The horizontal and vertical components of ...

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  18. Choose the corect options. Inside a bar magnet, the magnetic field li...

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  19. Choose the corect options. A place where the vertical components of t...

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  20. Choose the corect options. A place where the horizontal component of ...

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