Home
Class 12
PHYSICS
A combination of two identical bar magne...

A combination of two identical bar magnets are placed one over the other such that they are perpendicular and bisect each other. The time period of oscilla-tion in a horizontal magnetic field is `2^(5//4)` seconds. One of the magnets is removed and if the other magnet oscillates in the same field, then the time period in seconds is

A

`2^(1//4)`

B

`2^(1//2)`

C

`2`

D

`2^(5//4)`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MOVING CHANGES & MEGNETISM)|95 Videos

  • ALTERNATING CURRENT

    AAKASH SERIES|Exercise EXERCISE - III|24 Videos

  • APPENDICES (REVISION EXERCISE)

    AAKASH SERIES|Exercise LAW OF MOTION|128 Videos

Similar Questions

Explore conceptually related problems

A vibration magnetometer consist of two identical bar magnets placed one over the other such that they are mutually perpendicular and bisect each other. The time period of oscillations of combination in a horizontal magnetic field is 4s . If one of the magnets is removed, then the period of oscillations of the other in the same field is

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

Period of oscillation of a bar magnet in earth's magnetic field is T . If its mass is reduced to one - fourth of the original mass , maintaining all other parameters same , the new time period will be

Time period of a bar magnet oscillating in earth's magnetic field is T. Its magnetic moment is M. Now, a bar magnet of magnetic moment 2M is brought near it. The new time period will be

The ratio of time periods of oscillaiton of two magnets in the same field is 2:1 . If magnetic moment of both the magnets is equals , the ratio of their moment of inertias will be .

A magnet is cut in three equal parts by cutting it perpendicular to its length. The time period of original magnet is T_0 in a uniform magnetic field B. Then, the time period of each part in the same magnetic field is

Two identical magnetic dipoles of magnetic moments 2Am^2 are placed at a separation of 2m with their axes perpendicular to each other in air. The resultant magnetic field at a mid point between the dipole is

The time period of oscillation of a bar magnet suspended horizontaliy along the magnetic meridian is T_(0) . If this magnet is replaced by another magnet of the same size and pole strength but with double the mass, the new time period 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-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (MAGNETISM AND MATTER )
  1. A bar magnet takes pi/10 seconds to complete one oscillation in unifor...

    Text Solution

    |

  2. A small magnet of moment 4.8 xx 10^(-2) J/T is suspended freely in t...

    Text Solution

    |

  3. A short bar magnet used in a vibration magnetometer is heated so as to...

    Text Solution

    |

  4. A compass needle makes 10 oscillations per minute in the earths horizo...

    Text Solution

    |

  5. The magnetic needle of a vibration magnetometer makes 12 oscillations ...

    Text Solution

    |

  6. A combination of two identical bar magnets are placed one over the oth...

    Text Solution

    |

  7. A small magnetic needle performs 10 oscillations/minute in the earth's...

    Text Solution

    |

  8. The time period of oscillation of a magnet in a vibration magnetometer...

    Text Solution

    |

  9. A small magnetic needle performs 10 oscillations/minute in the earth's...

    Text Solution

    |

  10. Two short bar magnets of magnetic moments m each are arranged at the o...

    Text Solution

    |

  11. A small magnetic needle performs 10 oscillations/minute in the earth's...

    Text Solution

    |

  12. A deflection magnetometer is adjusted in the usual way . When a magnet...

    Text Solution

    |

  13. A short magnet oscillates in an oscillation magnetometer with a time p...

    Text Solution

    |

  14. Two magnets are held in a viberation magnetometer and are allowed to o...

    Text Solution

    |

  15. With a standard rectangular bar magnet, the time period of a vibration...

    Text Solution

    |

  16. A magnet makes 40 oscilations per minute at a place having magnetic fi...

    Text Solution

    |

  17. Obtain the earth's magnetisation, assuming that the earth's field can ...

    Text Solution

    |

  18. The plane of a dip circle is set in the geographic meridian and the ap...

    Text Solution

    |

  19. A dip circle lying initially in the magnetic meridian is rotated throu...

    Text Solution

    |

  20. If theta(1) and theta(2) be the apparent angles of dip observed in two...

    Text Solution

    |