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A coil in the shape of an equilateral tr...

A coil in the shape of an equilateral triangle of side 0.02 m is suspended from a vertex such that it is hanging in a vertical plane between the pole pieces of a permanent magnet producing a horizontal magnetic field of `5 xx 10^(-2) T.` Find the couple acting on the coil when a current of 0.1 A is passed through it and the magnetic field is parallel to its plane.

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MODERN PUBLICATION-MAGNETIC DIPOLE & EARTH'S MAGNETISM-EXERCISE
  1. A coil in the shape of an equilateral triangle of side 0.02 m is suspe...

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  2. State four properties of bar magnet.

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  3. Explain the magnetism on the basis of atomic theory.

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  4. Define magnetic pole.

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  5. What is a magnetic dipole? Define magnetic dipole moment. Give its SI ...

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  6. A current loop behaves as a mgnetic dipole. Obtain expression for magn...

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  7. In a hydrogen atom, an electron of charge e revolves in an orbit of ra...

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  8. Explain how an atom behaves as a magnetic dipole. derive an expression...

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  9. Deduce the expression for the magnetic dipole moment of an electron or...

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  10. Derive an expression for the magnetic dipole moment of an atom.

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  11. Deduce the expression for the magnetic dipole moment of an electron or...

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  12. What is the relationship between the current and the magnetic moment o...

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  13. Derive an expression for the magnetic dipole moment of an atom.

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  14. Explain how an atom behaves as a magnetic dipole. derive an expression...

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  15. What do you understand by magnetic field ? Define its strength and SI ...

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  16. Define magnetic field intensity at a point and derive an expression fo...

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  17. Obtain an expression for electric field intensity at any point on equi...

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  18. What is magnetic dipole? Derive an expression for magnetic field inten...

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  19. Derive an expression for the magnetic field due to magnetic dipole in ...

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  20. Derive an expression for the torque expereinced by a amgnetic dipole s...

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  21. Derive an expression for torque acting on a bar magnet placed in a uni...

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