Home
Class 12
PHYSICS
A bar magnet of moment M is bent as an a...

A bar magnet of moment M is bent as an arc . Its magnetic moment

A

Increases

B

Decreases

C

Does not change

D

May increase or decrease

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF SOLIDS AND FLUIDS

    SIA PUBLICATION|Exercise M.C.Q.|107 Videos
  • MOCK TEST 2

    SIA PUBLICATION|Exercise Chemistry|1 Videos

Similar Questions

Explore conceptually related problems

A bar magnet of magnetic moment vecM is placed in a magnetic field of induction vecB. The torque exerted on it is

If a bar magnet of pole strength m and magnetic moment M is cut equally 5 times parallel to its axis and again 3 times perpendicular to its axis, then the pole strength and magnetic moment of each piece are respectively.

A bar magnet of length 0.1 m and with a magnetic moment of 5Am^(2) is placed in a uniform a magnetic field of intensity 0.4T, with its axis making an angle of 60^(@) with the field. What is the torque on the magnet ?

The units of magnetic moment are

With a standard rectangular bar magnet of length (l), breadth (b,bltlt) and magnetic moment M, the time period of the magnet in a vibration magnetometer is 4 s. If the magnet is cut normal to its length into four equal pieces, the time period (in second) with one of the piece is

The magnetic field strangth at a distance d from the centre, on the axial line of a very short bar magnet of magnetic moment M, is B. The magnetic induction at a distance 2 d from centre, on equatoroal line of magnet of magnetic moment 8M, will be'

If two identical bar magnets, 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

SIA PUBLICATION-MOCK TEST 1-PHYSICS
  1. A body is projected with a velocity of 10 m//s at 45^(@) to the horizo...

    Text Solution

    |

  2. One end of uniform glass capillary tube of radius r = 0.05 cm is immer...

    Text Solution

    |

  3. An organ pipe P (1) , closed at one end and containing a gas of densit...

    Text Solution

    |

  4. A sonometer wire has a length of 114 cm , between two fixed ends. Wher...

    Text Solution

    |

  5. For a certain organ pipe three successive resonance frequencies are ob...

    Text Solution

    |

  6. What is the deviation angle when light incident at an angle 45^(@) on ...

    Text Solution

    |

  7. When the temperature is increased (i)Viscosity of the gas increases ...

    Text Solution

    |

  8. An electric field is acting vertically upwards . A particle of mass 1 ...

    Text Solution

    |

  9. Identify the correct order of the following particles when arrenged in...

    Text Solution

    |

  10. A bar magnet of moment M is bent as an arc . Its magnetic moment

    Text Solution

    |

  11. In Young's double slit experiment how many maximas can be obtained on ...

    Text Solution

    |

  12. Consider the following statements A and B and identify the correct cho...

    Text Solution

    |

  13. The cold junction of a thermocouple is 0^(@)C. The ratio of thermo emf...

    Text Solution

    |

  14. A 6 V cell with 1 ohm internal resistance and 10 V cell with 2 ohm int...

    Text Solution

    |

  15. The time constant of an inductance coil is 5 xx 10^(-3) sec. When a 90...

    Text Solution

    |

  16. The threshold wavelength for certain metal is lambda (0). When a light...

    Text Solution

    |

  17. Ratio of magnetic field at the centre af a current carrying coil of ra...

    Text Solution

    |

  18. A electron and a position pair is produced by a gamma ray of 3.4 MeV ....

    Text Solution

    |

  19. For an n-p-n transistor beta = 50 , the value of alpha is

    Text Solution

    |

  20. The absorption coefficient of a material is (3)//(4) . The ratio of ma...

    Text Solution

    |