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A magnetic needle is free to rotate in a...

A magnetic needle is free to rotate in a vertical plance which makes an angle of `60^@` with the magnetic meridian. If the needle stays in a direction making an angle of `tan^(-1) (2sqrt(3))` with the horizontal, what would be the dip at that place?

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To solve the problem, we need to find the dip angle (δ) at the location where a magnetic needle is free to rotate. The needle is inclined at an angle of \(60^\circ\) with the magnetic meridian and makes an angle of \(\tan^{-1}(2\sqrt{3})\) with the horizontal. ### Step-by-Step Solution: 1. **Understanding the Angles**: - The magnetic needle is inclined at an angle of \(60^\circ\) with respect to the magnetic meridian. - The angle with the horizontal is given as \(\tan^{-1}(2\sqrt{3})\). ...
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HC VERMA ENGLISH-PERMANENT MAGNETS-Exercise
  1. Show that the magnetic field at a point due to a magnetic dipole is pe...

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  2. A short bar magnet has a magnetic moment of 0.48JT^(-1). Give the dire...

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  3. A magnetic dipole of magnetic moment 1.44 A m^2 is placed horizontally...

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  4. A magnetic dipole of magnetic moment 0.72 Am^2 is planced horizontally...

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  5. A magnetic dipole of magnetic moment 0.72 Am^2 is planced horizontally...

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  6. The magnetic moment of the assumed dipole at the earth's centre is 8.0...

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  7. If the earth's magnetic field has a magnitude 3.4 xx 10^(-5) T at the ...

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  8. The magnetic field due to the earth has a horizontal component of 26 m...

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  9. A magnetic needle is free to rotate in a vertical plance which makes a...

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  10. The needle of a dip circle shows an apparent dip of 45^@ in a particul...

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  11. A tangent galvanometer shown a deflection of 45^@ when 10 mA of curren...

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  12. A moving coil galvanometer has a 50-turn coil of size 2cm xx 2cm. It i...

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  13. A short magnet produces a deflection of 37^@ in a deflection magnetome...

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  14. The magnetometer of the previous problem is used with the same magent ...

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  15. A deflection megnetometer is placed with its arms in north-south direc...

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  16. A bar magnet takes pi/10 second to complete one oscillation in an osci...

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  17. The combination of two bar magnets makes 10 oscillations per second in...

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  18. A short magnet oscillates in a vibration magnetometer with a time per...

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  19. A bar magnet makes 40 oscillations per minute in an oscillation magnet...

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  20. A short magnet makes 40 oscillations per minute when used in an oscill...

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