Home
Class 12
PHYSICS
Two bar magnets of the same mass, length...

Two bar magnets of the same mass, length and breath having magnetic moment M and 2M are joined together pole to pole and suspended in na vibration magnetomer. The time period of oscillation is 3s. If the polarity of one of the magnets is reversed, the time period of oscillation will be

Text Solution

Verified by Experts

`3 sqrt(3) sec `
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|16 Videos

  • MAGNETISM

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|22 Videos

  • MAGNETISM

    AAKASH SERIES|Exercise EXERCISE (VERY SHORT ANSWER QUESTIONS)|25 Videos

  • LOGIC GATES

    AAKASH SERIES|Exercise Exercise (Very Short Answer)|10 Videos

  • MOTION IN A PLANE

    AAKASH SERIES|Exercise EXERCISE-3 (Circular Motion)|7 Videos

Similar Questions

Explore conceptually related problems

Two bar magnets of the same length and breadth but having magnetic moments M and 2M are joined with like poles together and suspended by a string. The time of oscillation of this assembly in a magnetic field of strength B is 3 sec. What will be the period of oscillation, if the polarity of one of the magnets is changed and the combination is again made to oscillate in the same field ?

Two bar magnets having same geometry with magnetic moments M and 2M, are firstly placed in such a way what their similar poles are same side then its time period of oscillation is T_1 . Now the polarity of one of the magnet is reversed then time period of oscillation will be:-

The time period of small oscillations of mass m :-

Two bar magnets of the same mass, length and breadth but magnetic moment M and 2M respectively, when placed in same position, time period is 3 sec. What will be the time period when they are placed in different position?

The magnetic moments of two bar magnets of same size are in the ratio 1:2. When they are placed one over the other with their similar poles together, then their perlod of oscillation in a magnetic field is 3s. If one of the magnets is reversed, then the period of oscillation in the same field will be q

If the period of oscillation of mass M suspended. From a spring is one second, then the period of 4 M will be

For a vibration magnetometer, the time period of suspended bar magnet can be reduced by -

If the period of oscillation of mass M suspended from a spring is one second, then the period of 9M will be

The time period of oscillation of a freely suspended bar magnet with usual notations is given by

The period of oscillations of a magnet is 2 sec. When it is remagnetised so that the pole strength is 4 times its period will be

AAKASH SERIES-MAGNETISM-PROBLEMS (LEVEL-I)
  1. Two poles separated by 10 cm experiences a force of 5 mN. Find the for...

    Text Solution

    |

  2. What is the magnetic induction due to a magnet of pole strength 20A-m ...

    Text Solution

    |

  3. Find the force experienced by a pole of strength 100 Am at a distance ...

    Text Solution

    |

  4. Find the magnetic induction at a distance of 20 cm on the equatorial l...

    Text Solution

    |

  5. What is the magnetic induction due to a magnet of pole strength 20A-m ...

    Text Solution

    |

  6. What is the magnetic moment of a semi circular magnet of radius 'r' an...

    Text Solution

    |

  7. The magnetic moment of a bar magnet of length 0.2m is 1 Am^(2). If it ...

    Text Solution

    |

  8. Two magnets have their lengths in the ratio 2:3 and their pole strengt...

    Text Solution

    |

  9. If the maximum couple acting on a magnet in a field of induction 0.2T ...

    Text Solution

    |

  10. The maximum torque on the magnet of length 2 xx 10^(-1)m in a unifor...

    Text Solution

    |

  11. At what angle with the magnetic meridian will a magnetic needle rest i...

    Text Solution

    |

  12. A bar magnet of moment of inertia 1 xx 10^(-2)Kgm^(2) vibrates in a ma...

    Text Solution

    |

  13. Along bar magnet of time period T, used in vibration magnetometer is c...

    Text Solution

    |

  14. Two bar magnets of the same mass, length and breath having magnetic mo...

    Text Solution

    |

  15. The permeability of substance is 6.28 xx 10^(-4) wb/A-m. Find its rela...

    Text Solution

    |

  16. A bar magnet made of steel has a magnetic moment of 2.5 A m^2 and mass...

    Text Solution

    |

  17. A magnetic field strength (H) 3xx10^(3)Am^(-1) produces a magnetic fie...

    Text Solution

    |

  18. A ship is sailing due east according to Mariner's compass. If the decl...

    Text Solution

    |

  19. A bar magnet of magnetic moment 10 A m^(2) has a cross sectional area ...

    Text Solution

    |

  20. A rod of cross sectional area 10cm^(2) is placed with its length paral...

    Text Solution

    |