Home
Class 12
PHYSICS
A magnet of length 14 cm and magnetic mo...

A magnet of length `14 cm` and magnetic moment `mu` is broken into two parts of length 6 cm and 8 cm. They are put at right angles to each other with the opposite poles togather. The magnetic dipole moment of the combination is:

A

`mu/1.4`

B

`mu`

C

`1.4 mu`

D

`2.8 mu`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-4 (LEVEL-II)|13 Videos
  • ELECTRONICS - SEMI CONDUCTOR

    MOTION|Exercise EXERCISE - 3|29 Videos

Similar Questions

Explore conceptually related problems

Two magnets of moment M and 2 M are tied at an angle of 60^(@) to each other . What is the resultant magnetic moment of the combination ?

A bar magnet of length l and magnet dipole moment M is bent in the form of an arc. The new magnetic dipole moment is

Two identical thin bar magnets, each of length L and pole strength m are placed at right angles to each other, with the N pole of one touching the S-pole of the other. Find the magnetic moment of the system.

A large magnet of length 25 cm is broken into two pieces of length 15 cm and 10 cm respectively. The pole strengths of the two pieces will be in the ratio of

If two identical bar mangets, each of length 'I' , pole strength 'm' and magnetic moment 'M' are placed perpendicular to each other with their unlike poles in contact, the magnetic moment of the combination is

A bar magnet of magnetic moment M is cut into four parts of equal length. The magnetic moment of each part is

A bar magnet of magnetic moment M is cut into two parts of equal length/breadths.The magnetic moment of each part will be

A bar magnet has grometrical legth 4.8 cm.The magnetic moment of bar,of pole stregth 20 Am is

A bar magnet of magnetic moment M and pole strength m is broken into two pieces at the middle. The magnetic moment and pole strength of each piece will be

MOTION-ELECTROMAGNETISM-Exercise
  1. Two identical magnetic dipoles of magnetic moments 1*0Am^2 each are pl...

    Text Solution

    |

  2. Two short barmagnet of magnetic moments M1 and M2 are kept on X and Y ...

    Text Solution

    |

  3. A magnet of length 14 cm and magnetic moment mu is broken into two par...

    Text Solution

    |

  4. Torques tau(1) and tau(2) are required for a magnetic needle to remain...

    Text Solution

    |

  5. A magnetised wire of moment M is bent into an arc of a circle subtendi...

    Text Solution

    |

  6. Magnetic field produced by electrons in aotms and molecules is due to ...

    Text Solution

    |

  7. When a magnet is heated, its strength –

    Text Solution

    |

  8. The lines of forces due to earth's horizontal component of magnetic fi...

    Text Solution

    |

  9. A deflection magnetometer can be used for measuring –

    Text Solution

    |

  10. A line joining places of zero declination is called

    Text Solution

    |

  11. A hydrogen atom is a paramagnetic. A hydrogen molecule is –

    Text Solution

    |

  12. The core of electromagnet is made of soft iron because a) the susc...

    Text Solution

    |

  13. A permanent magnet –

    Text Solution

    |

  14. The relative permeability of a substance X is slightly less than unity...

    Text Solution

    |

  15. The variation of magnetic susceptibility (chi) with absolute temperatu...

    Text Solution

    |

  16. A conducting loop is pulled with a constant velocity towards a region ...

    Text Solution

    |

  17. A conducting loop of resistance R and radius r has its centre at the o...

    Text Solution

    |

  18. A small conducting circular ring of area 2 mm2 is placed coplanerly wi...

    Text Solution

    |

  19. A conducting square loop edge length a and resistance R is in a unifor...

    Text Solution

    |

  20. A wire is in the form of a semicircle of radius r. One end is attached...

    Text Solution

    |