Home
Class 12
PHYSICS
A wire of length L metre , carrying a c...

A wire of length `L metre ` , carrying a current `I `ampere is bent in the form of a circle . The magnitude of its magnetic moment is …………. ` MKS units ` .

A

`(4 pil )/(l ^(2))`

B

`(2H^(2))/(pi)`

C

`(l l^(2))/(pi)`

D

`(l l^(2))/(4pi)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION C)|31 Videos
  • MAGNETISM AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION D)|26 Videos
  • MAGNETISM AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION A)|34 Videos
  • LAWS OF MOTION

    AAKASH INSTITUTE|Exercise Assignment (SECTION-D) (Assertion-Reason Type Questions)|15 Videos
  • MECHANICAL PROPERTIES OF FLUIDS

    AAKASH INSTITUTE|Exercise SECTION - J|9 Videos

Similar Questions

Explore conceptually related problems

A wire of length L metre carrying a current of I ampere is bent in the form of a circle. Find its magnetic moment.

A wire of length l meter carrying current i ampere is bent in form of circle. Magnetic moment is

A wire of length L carrying a current I is bent into a circle. The magnitude of the magnetic field at the centre of the circle is

A wire of length L carrying a current I is bent into a circle. The magnitude of the magneitc field at the centre of the circle is

AAKASH INSTITUTE-MAGNETISM AND MATTER -ASSIGNMENT (SECTION B)
  1. The work done in turning a magnet of magnetic moment 'M' by an angle o...

    Text Solution

    |

  2. Soft iron is used in many electrical machines for:

    Text Solution

    |

  3. A small bar magnet A oscillates in a horizontal plane with a period T ...

    Text Solution

    |

  4. Two different magnets are tied together and allowed to vibrate in a ho...

    Text Solution

    |

  5. The values of the apparent angles of dip in two planes at right angles...

    Text Solution

    |

  6. A bar magnet is placed with its north pole towards geographic north. T...

    Text Solution

    |

  7. The value of horizontal component of earth's magnetic field at a place...

    Text Solution

    |

  8. The period of oscillation of a magnet of a vibraion magnetometer is 2....

    Text Solution

    |

  9. If phi is lattitude and del is dip at a place then

    Text Solution

    |

  10. A tangent gavanometer has 80 turns of wire. The internal and external ...

    Text Solution

    |

  11. Magnetic susceptibility of a diamagnetic substances

    Text Solution

    |

  12. Area of B-H curve measures the energy loss

    Text Solution

    |

  13. A wire of length L metre , carrying a current I ampere is bent in the...

    Text Solution

    |

  14. Bohr magnetonis given by (symbols have their usual meanings)

    Text Solution

    |

  15. What is the unit of magnetic susceptibility?

    Text Solution

    |

  16. One weber is equal to

    Text Solution

    |

  17. The number of turns and radius of cross-section of the coil of a tange...

    Text Solution

    |

  18. Two short bar magnets of magnetic moments 'M' each are arranged at the...

    Text Solution

    |

  19. The work done in rotating a bar magnet of magnetic moment M from its u...

    Text Solution

    |

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

    Text Solution

    |