Home
Class 12
PHYSICS
A neutral point is found on the axis of ...

A neutral point is found on the axis of a bar magnet at a distance of `10cm` from its one end. If the length of the magnet be `10cm`, and `H=0*3G`. Find the magnetic moment of the magnet.

Text Solution

Verified by Experts

The correct Answer is:
`0.012 Am^(2)`
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM

    SL ARORA|Exercise Based on Torque and potential energy of dipole in magnetic field|14 Videos
  • MAGNETIC EFFECTS OF CURRENT

    SL ARORA|Exercise TYPE C|4 Videos
  • OPTICAL INSTRUMENTS

    SL ARORA|Exercise Problems for self practice|35 Videos

Similar Questions

Explore conceptually related problems

A neutral point is found on the axis of a bar magnet at a distance of 10cm from one end. If the length of the magnet is 10cm and H=0*3gauss , find the magnetic moment of the magnet.

A neutral point is found on the prolongation of the axis of a bar magnet at a distance of 10 cm from the nearer pole. If the length of the bar be 10 cm and H = 28 Am^(-1) , find the pole strength of the magnet.

The ratio of magnetic fields on the axial line of a long magnet at distance of 10cm and 20cm is 12.5.1. The length of the magnet is

The intensities of a magnetic field at two points on the axis of a bar magnet at distance of 0.15m and 0.2m from its middle point are in the ratio 75 : 20 . Find the distance between the poles of the magnet.

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 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 .

The intensities of magnetic field at teo points on the axis of bar magnet at distance of 10 cm and 20 cm from the middle point in the ratio 18 : 1 . Find the distance between the pole of the magnets.

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 .

The intensities of magnetic field at two points on the axis of a bar magnet at distances of 10 cm and 20 cm from the middle point are in the ratio 18:1. Find the distance between the poles of the magnet.

SL ARORA-MAGNETISM-Based on (i) Earth s Magnetism (ii) magnetic field of a bar magnet
  1. A magnetic dipole of magnetic moment 1.44 A m^2 is placed horizontally...

    Text Solution

    |

  2. A bar magnet 30 cm long is placed in the magnetic meridian with its no...

    Text Solution

    |

  3. A neutral point is found on the axis of a bar magnet at a distance of ...

    Text Solution

    |

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

    Text Solution

    |

  5. A magnet place in the north pointing north position, balances the eart...

    Text Solution

    |

  6. A short bar magnet is placed in a horizontal plane with its axis in th...

    Text Solution

    |

  7. A tangent galvanometer ha s60 turns of wire of mean diameter 20 cm . F...

    Text Solution

    |

  8. The coil of a tangent galvanometer is 11 cm in radius . How many turn...

    Text Solution

    |

  9. A current of 70 mA is passed through a tangent galvanometer of 50 turn...

    Text Solution

    |

  10. A tangent galvanometer has a reduction factor of 0. 2A . It gives a de...

    Text Solution

    |

  11. A tangent galvanometer has two circular coils having turns in the rati...

    Text Solution

    |

  12. A cell having an emf of 2 V and internal resistance of 0.5 Omega is se...

    Text Solution

    |

  13. Two tangent galvanometer P and Q differ only in the number of turns of...

    Text Solution

    |

  14. Two tangent galvanometers P and Q connected in series . The number of ...

    Text Solution

    |

  15. A current of 10 A produces a deflection of 45^(@) in a tangent galvano...

    Text Solution

    |

  16. In a tangent galvanometer, when a current of 10mA is passed, the defle...

    Text Solution

    |

  17. A circuit coil of radius 20 cm and 20 turns of wire is mounted vertica...

    Text Solution

    |

  18. Two tangent galvanometer P and Q are connected in series and a curre...

    Text Solution

    |

  19. A magnetic needle of dipole moment 0.067 JT^(-1) oscillates with a per...

    Text Solution

    |

  20. A small bar magnet of magnetic moment 9.75 xx 10^(-3) J T^(-1) is susp...

    Text Solution

    |