Home
Class 12
PHYSICS
A bar magnet of length 10cm is placed in...

A bar magnet of length `10cm` is placed in the magnetic meridian with its north pole pointing towards the geographical north. A neutral point is obtained at a distance of `12cm` from the centre of the magnet. Find the magnetic moment of the magnet, when `H=0*34 gauss`.

Text Solution

Verified by Experts

`1.02 Am^2`
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM AND MATTER

    MODERN PUBLICATION|Exercise CONCEPTUAL QUESTIONS|30 Videos
  • MAGNETISM AND MATTER

    MODERN PUBLICATION|Exercise TOUGH AND TRICKY PROBLEM|5 Videos
  • MAGNETISM AND MATTER

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST FOR BOARD EXAMINATION|16 Videos
  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    MODERN PUBLICATION|Exercise Chapter Practice Test|9 Videos
  • MOVING CHARGES AND MAGNETISM

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|13 Videos

Similar Questions

Explore conceptually related problems

A bar magnet of length 14 cm is placed in the magnetic meridian with its north pole pointing towards the geographic north pole. A neutral point is obtained at a distance of 18 cm from the center of the magnet. If B_(H)=0.4 G, the magnetic moment of the magnet is (1G = 10 ^(-4) T)

A short bar magnet of magnetic moment 0*5JT^-1 is placed with its magnetic axis in magnetic meridian, with its north pole pointing geographic north. A neutral point is obtained at a distance of 0*1m from the centre of the magnet. Find the horizontal component of earth's magnetic field.

A short bar magnet of magnetic moment 0*5JT^-1 is placed with its magnetic axis in the magnetic meridian, with its north pole pointing geographic north. A neutral point is obtained at a distance of 0*1m from the centre of the magnet. Find the horizontal component of earth's magnetic field.

A 10 cm long bar magnet of magnetic moment 1.34 Am2 is placed in the magnetic meridian with its south pole pointing geographical south. The neutral point is obtained at a distance of 15 cm from the centre of the magnet. Calculate the horizontal component of earth’s magnetic field.

A short bar magnet is placed in the magnetic meridian with its north pole pointing towards geographical south. A neutral point is found at a distance of 30 cm from the centre of the magnet. If the horizontal component of earth's field is 0.4G , calculate the magnetic moment of the magnet .

A bar magnet is placed with its north pole towards geographic north. The neutral point

A 30 cm long bar magnet is placed in the magnetic meridian with its north pole pointing south. The neutral point is obtained at a distance of 40 cm from the centre of the magnet. Pole strength of the magnet is (The horizontal component of earth’s magnetic field is 0.34 Gauss)

A bar magnet 30 cm long is placed in the magnetic meridian with its north pole pointing geographical south . The neutral point is found at a distance of 30 cm from its centre . Calculate the pole strength of the magnet . Given B_(H) = 0.34 G .

A short bar magnet of magnetic moment 1.2Am^(2) is placed in the magnetic meridian with its south pole pointing the north. If a neutral point is found at a distance of 20cm from the centre of the magnet, the value of the horizontal component of the earth's magnetic field is

Why does north pole of a magnet points towards geographical north ?

MODERN PUBLICATION-MAGNETISM AND MATTER-PRACTICE PROBLEM
  1. A bar magnet placed in a uniform magnetic field of strength 0*3T with ...

    Text Solution

    |

  2. A short bar magnet is placed in an external uniform magnetic field of ...

    Text Solution

    |

  3. A bar magnet of length 10cm is placed in the magnetic meridian with it...

    Text Solution

    |

  4. A short bar magnet of magnetic moment 0*9JT^-1 is placed with its axis...

    Text Solution

    |

  5. A short bar magnet placed with its axis at 30^(@) with an external fie...

    Text Solution

    |

  6. A magnetic needle has magnetic moment of 6*7xx10^-2Am^2 and moment of ...

    Text Solution

    |

  7. Two magnets of magnetic moments M and sqrt3M are joined to form a cros...

    Text Solution

    |

  8. The earth's magnetic field at the equator is approximately 0*4G, Estim...

    Text Solution

    |

  9. A bar magnet is suspended in a region of earth's magnetic field such t...

    Text Solution

    |

  10. Two bar magnets of magnetic moment M and (3M)/(5) are kept in a regi...

    Text Solution

    |

  11. For a place, the true value of angle of dip is 30^@ . Find the appare...

    Text Solution

    |

  12. A freely suspended bar magnet makes an angle of 60^@ with the horizon...

    Text Solution

    |

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

    Text Solution

    |

  14. For a place, horizontal component of the earth's magnetic magnetic fie...

    Text Solution

    |

  15. A compass needle whose magnetic moment is 60Am^2 points geographic nor...

    Text Solution

    |

  16. A short bar magnet is placed with its north pole pointing north. The n...

    Text Solution

    |

  17. A 10 cm long bar magnet of magnetic moment 1.34 Am2 is placed in the m...

    Text Solution

    |

  18. A short bar magnet is placed with its north pole pointing north. The n...

    Text Solution

    |

  19. The magnetic moment of an electron of charge e moving in a circular ...

    Text Solution

    |

  20. A magnetic field of 1600Am^-1 produces a magnetic flux of 2*4xx10^-5 w...

    Text Solution

    |