Home
Class 12
PHYSICS
A current carrying circular coil, suspen...

A current carrying circular coil, suspended freely in a uniform external magnetic field orients to a position of stable equilibrium. In this state :

A

The plane of coil is normal to external magnetic field

B

The plane of coil is parallel to external magnetic field

C

Flux through coil is minimum

D

Torque on coil is maximum

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    AAKASH SERIES|Exercise EXERCISE-IB|71 Videos

  • MOVING CHARGES AND MAGNETISM

    AAKASH SERIES|Exercise EXERCISE-II|79 Videos

  • MOVING CHARGES AND MAGNETISM

    AAKASH SERIES|Exercise EXERCISE-III|45 Videos

  • MOTION IN A STRAIGHT LINE

    AAKASH SERIES|Exercise very Short answer type question|15 Videos

  • NUCLEAR PHYSICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE PRACTICE SHEET (ADVANCED) Integer Type Questions|4 Videos

Similar Questions

Explore conceptually related problems

A current-carrying circular loop is located in a uniform external magnetic field. If the loop is free to turn, what is its orientation of stable equilibrium ? Show that in this orientation, the flux of the total field (external field + field produced By the loop) is maximum.

(a) A current-carrying circular loop lies on a smooth horizontal plane. Can a uniform magnetic field be set up in such a manner that the loop turns around itself (i.e., turns about the vertical axis). (b) A current-carrying circular loop is located in a uniform external magnetic field. If the loop is free to turn, what is its orientation of stable equilibrium? Show that in this orientation, the flux of the total field (external field + field produced by the loop) is maximum. (c) A loop of irregular shape carrying current is located in an external magnetic field. If the wire is flexible, why does it change to a circular shape?

A current carrying coil is subjected to a uniform magnetic field. The coil will orient so that its plane becomes

(A) : A current carrying circular loop, free to turn, when placed in an external magnetic field, orients its plane normal to field. (R) : The potential energy of the system is minimum at stable equilibrium position.

What happens when a current carrying coil is placed in a uniform magnetic field?

Which of the following is appreciable in the making of a motor? Why? a) A current carrying wire is kept in a uniform magnetic field. b) A current carrying coil is kept in a uniform magnetic field. c) A negative charge is kept in a uniform magnetic field.

Circular coil of 30 turns, and radius 8.0 cm carrying a current of 6.0 A is suspended vertically in a uniform horizontal magnetic field of magnitude 1.0 T. The field lines make an angle of 60^(@) with the normal of the coil. Calculate the magnitude of the counter torque that must be applied to prevent the coil form turning.

AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-IA
  1. Two very long straight parallel wires carry steady currents I and -I. ...

    Text Solution

    |

  2. Arigid circular loop of radius r nnd mass m lies in the x - y plane on...

    Text Solution

    |

  3. A current carrying circular coil, suspended freely in a uniform extern...

    Text Solution

    |

  4. A current loop in a magnetic field

    Text Solution

    |

  5. A square loop ABCD carrying a current i, is placed near and coplanar w...

    Text Solution

    |

  6. In the above question the torque on the coil is

    Text Solution

    |

  7. A circular coil of n turns and area of crosssection A , carrying a cur...

    Text Solution

    |

  8. A moving coil type of galvanometer is based upon the principle that a ...

    Text Solution

    |

  9. If 'G' is the resistance of the galvanometer, then its voltage sensiti...

    Text Solution

    |

  10. The best method to increase the sensitivity of a moving coil galvanome...

    Text Solution

    |

  11. A conducting wire of given length is used to prepare the 'coil' of a m...

    Text Solution

    |

  12. In a moving coil galvanometer a radial magnetic field is obtained with...

    Text Solution

    |

  13. When a current is passed in moving coil galvanometer, the coil gets de...

    Text Solution

    |

  14. The current that must flow through a galvanometer to have a deflection...

    Text Solution

    |

  15. To double the torque acting on a coil of n-turns, when placed in a mag...

    Text Solution

    |

  16. A tangent galvanometer shows no deflection when a current is passed th...

    Text Solution

    |

  17. A) Tangent galvanometer is a moving magnet type galvanometer B) Tang...

    Text Solution

    |

  18. The plane of the coil of tangent galvanometer is kept parallel to magn...

    Text Solution

    |

  19. A) In Tangent galvanometer the circular frame is rotated until the pla...

    Text Solution

    |

  20. In case of Tangent galvanometer A) The galvanometer reduction factor...

    Text Solution

    |