Home
Class 11
PHYSICS
A coil of length L, carries a current i....

A coil of length L, carries a current i. The magnetic moment of coil is proportional to

A

L

B

`L^(2)`

C

`L^(-1)`

D

`L^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise Evaluation Test|12 Videos

  • MEASUREMENTS

    TARGET PUBLICATION|Exercise EVALUATION TEST|17 Videos

Similar Questions

Explore conceptually related problems

A 200 turn closely wound circular coil of radius 15 cm carries a current of 4 A. The magnetic moment of this coil is

Magnetic moment of coil independent of

A point P lies on the axis of a flat coil carrying a current. The magnetic moment of the coil is mu . The distance of P from the coil is d , which is large compared to the radius of the coil. The magnetic field at P has magnitude

A moving coil galvanometer has N numbr of turns in a coil of effective area A , it carries a current I . The magnetic field B is radial. The torque acting on the coil is

A flat circular coil, carrying a current, has a magnetic moment mu

A circular coil of radius r is fromed by wire of length L.If current I is flowing through it then the magnetic moment Is proportional to

TARGET PUBLICATION-MAGNETISM-MCQs
  1. A magnetised wire of moment M is bent into an arc of a circle subtendi...

    Text Solution

    |

  2. A magnet of magnetic moment M amd pole strenth m is divided in two equ...

    Text Solution

    |

  3. A coil of length L, carries a current i. The magnetic moment of coil i...

    Text Solution

    |

  4. A wire of length l, carrying current i, is bent in circle of radius r,...

    Text Solution

    |

  5. A bar magnet of moment M is placed in a magnetic field of indiction B...

    Text Solution

    |

  6. There is no. couple acting when two bar magnets are placed co-axially ...

    Text Solution

    |

  7. A bar magnet of magnetic moment 200 A-m^(2) is suspended in a magnetic...

    Text Solution

    |

  8. A magnet of length 0.1 m and pole strength 10^(-4) A.m. is kept in a m...

    Text Solution

    |

  9. If a magnet of length 10cm and pole strength 40 A-m is placed at an an...

    Text Solution

    |

  10. A closely wound solenoid of 2000 turns and area of cross-section 1.5 x...

    Text Solution

    |

  11. Magentic meridian is a

    Text Solution

    |

  12. The relation between BH, Bv, and B is

    Text Solution

    |

  13. Direction of magnetic field at equatorial point

    Text Solution

    |

  14. At magnetic poles of earth, angle of dip is

    Text Solution

    |

  15. Angle of dip is zero at

    Text Solution

    |

  16. At a certain place the horizontal component of the earth's magnetic fi...

    Text Solution

    |

  17. At certain place, the horizontal component of earth's magnetic field i...

    Text Solution

    |

  18. The horizontal component of the earth's magnetic field is 0.22 Gauss a...

    Text Solution

    |

  19. At a certain place, the horizontal component of earth's magnetic field...

    Text Solution

    |

  20. The vertical component of earth's magnetic field at a place is sqrt3 ...

    Text Solution

    |