Home
Class 12
PHYSICS
Two magnets of magnetic moments M and sq...

Two magnets of magnetic moments `M` and `sqrt3M` are joined to form a cross `+`. The comnination is suspended freely in a uniform magnetic field. In the equilibrium position, the angle between the magnetic moment `sqrt3M` and the field is

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`90^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
`sqrt3MBsintheta=MBsin(90-theta)`
`rArrtantheta=1/sqrt3rArrtheta=30^(@)`
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM AND MATTER

    NARAYNA|Exercise EXERCISE - 2 (H.W)|24 Videos

  • MAGNETISM AND MATTER

    NARAYNA|Exercise EXERCISE - 3|20 Videos

  • MAGNETISM AND MATTER

    NARAYNA|Exercise EXERCISE - 1 (H.W)|30 Videos

  • MAGNETISM

    NARAYNA|Exercise LEVEL-II (H.W)|24 Videos

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise EXERCISE - 4|20 Videos

Similar Questions

Explore conceptually related problems

Two magnets of magnetic moments M and Msqrt3 are joined to form a cross(+) . The combination is suspended freely in a uniform magnetic field . At equilibrium position, the magnet of magnetic moment M makes an angle theta with the field, then theta is

Two magnects of magnetic moments M and Msqrt3 are joined to form a cross (+). The combination is suspended freely in a uniform magnetic field. In equilibrium position, the magnet of magnetic moment M makes an angle theta with the field. Determine theta .

Two magnets of magnetic moments 4Am^(2) and 3Am^(2) are joined to form a cross (+) , then the magnetic moment of the combination is

Two identical "bar" magnets are jouned to form a cross. If this conbination is suspended freely in a uniform field the angles made by the magnets with field direction are respectively

The torque acting on a magnet of magnetic moment 'M' placed in a uniform magnetic field B is

A bar magnet of length 2 l and magnetic moment m is suspended freely in a uniform magnet field B. Find the amount of work done to deflect the magnet through an angle theta from the direction of the field.

Two bar magnets of magnetic moment M and (3M)/(5) are kept in a region of magnetic field B such that both the magnets make an angle of 45^@ with each other. Calculate the angle between the magnet of magnetic moment (3M)/(5) and the magnetic meridian.

NARAYNA-MAGNETISM AND MATTER-EXERCISE - 2 (C.W)
  1. The magnetic induction at a distance 'd' form the magnetic pole of unk...

    Text Solution

    |

  2. Two identical north poles each of strength m are kept at vertices A an...

    Text Solution

    |

  3. Two magnets of magnetic moments M and sqrt3M are joined to form a cros...

    Text Solution

    |

  4. The rate of change of torque 'tau' with deflection theta is maximum fo...

    Text Solution

    |

  5. The couple acting on a bar magnet of pole strength 2 Am when kept in a...

    Text Solution

    |

  6. A bar magnet with poles 25cm apart and pole strength 14.4 Am rests wit...

    Text Solution

    |

  7. Two magnets of moments M(1) and M(2) are rigidly fixed togetherat thei...

    Text Solution

    |

  8. A short magnet placed with its axis making an angle with a uniform ext...

    Text Solution

    |

  9. Two short bar magnets of equal dipole moments 'M' each are fastened pe...

    Text Solution

    |

  10. The small magnets each of magnetic moment 10 A-m^(2) are placed end-on...

    Text Solution

    |

  11. The ratio of magnetic fields on the axial line of a long magnet at dis...

    Text Solution

    |

  12. Two short magnets AB and CD in the X-Y plane and are parallel to X-axi...

    Text Solution

    |

  13. Two identical short bar magnets, each having magnetic moment M, are pl...

    Text Solution

    |

  14. Magnetic inducton at a point on the axial line of a short bar magnet i...

    Text Solution

    |

  15. A magnetic dipole is under the inflluence of two magnetic fields havin...

    Text Solution

    |

  16. A short bar magnet is placed with its south pole facing geographic sou...

    Text Solution

    |

  17. A bar magnet is placed with its North pole pointing North. Neutral poi...

    Text Solution

    |

  18. A bar magnet is placed with its North pole pointing North. Neutral poi...

    Text Solution

    |

  19. The period of a thin magnet in a magnetic field is 2s. It is cut into ...

    Text Solution

    |

  20. A bar magnet suspended in magnetic meridian executes oscillations with...

    Text Solution

    |