Home
Class 12
PHYSICS
A short bar magnet of magnetic moment 0*...

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.

Text Solution

Verified by Experts

The correct Answer is:
`10^(-4) T`
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 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 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 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 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 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

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 .

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

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 bar magnet 30cm long is placed in magnetic meridian with its north pole pointing south. The neutral point is observed at a distance of 30cm from its centre. Calculate the pole strength of the magnet. Given horizontal component of earth's field is 0*34G .

A short bar magnet is placed in magnetic meridian with its north pole pointing toward south: Its magnetic moment is 2Am^(2) . Neutral point is obtained 10cm from centre of magnet toward north. Calculate horizontal component of earth's magnetic field.

SL ARORA-MAGNETISM-Based on (i) Earth s Magnetism (ii) magnetic field of a bar magnet
  1. The intensities of magnetic field at two points on the axis of a bar m...

    Text Solution

    |

  2. Two magnets N1S1 and N2S2 having their magnetic moments as M and 3M re...

    Text Solution

    |

  3. A short bar magnet of magnetic moment 0*5JT^-1 is placed with its magn...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |