Home
Class 12
PHYSICS
A current-carrying ring is placed in a m...

A current-carrying ring is placed in a magnetic field. The direction of the field is perpendicular to the plane of the ring
(i) There is no net force on the ring
(ii) The ring will tend to expand
(iii) The ring will tend to contract
(iv) Either (ii) or (iii) depending on the directions of the current in the ring and the magnetic field

A

There is no net forces on the rig

B

The ring will tend to expand.

C

The ring will tend to contract

D

Either (b) or (c) depending on direction of the current in the ring and the magnetic field

Text Solution

Verified by Experts

The correct Answer is:
A, D
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CURRENT IN CONDUCTORS

    D MUKHERJEE|Exercise All Questions|79 Videos
  • ELECTROSTATICS

    D MUKHERJEE|Exercise All Questions|102 Videos

Similar Questions

Explore conceptually related problems

A conducting ring is placed in a uniform magnetic field with its plane perpendicular to the field . An emf is induced in the ring if

Magnetic field due to ring

A metal ring is placed in a magnetic field, with its plane _|_ to the field. If the magnitude of the field begins to change, the ring will experience

A vertical conducting ring ogradius R falls vertically in a horizontal magnetic field of magnitude B . The direction of B is perpendicular to the plane of the ring. When the speed of the ring is v,

A current carrying ring is placed in a horizontal plane. A charged particle is dropped along the axis of the ring to fall under the influence of gravity

A circular ring of radius r is placed in a homogeneous magnetic field perendicular to the plane of the ring. The field B changes with time according to the equation B=kt where K is constant and r is the time. The electric field in the ring is:

D MUKHERJEE-ELECTROMAGNETISM-All Questions
  1. A conductor ABCDE, shaped as shown, carries current I. It is placed in...

    Text Solution

    |

  2. AB and CD are smooth, parallel, horizontal rails on which a conductor ...

    Text Solution

    |

  3. Two long, thin parallel conductors, separated by a distance d, carryin...

    Text Solution

    |

  4. A current-carrying ring is placed in a magnetic field. The direction o...

    Text Solution

    |

  5. AB and CD are smooth, parallel rails, separated by a distance L and in...

    Text Solution

    |

  6. A flat coil carrying a current has a magnetic moment vecmu. It is plac...

    Text Solution

    |

  7. A flat coil carrying a current has a magnetic moment mu. It is placed ...

    Text Solution

    |

  8. The magnetic flux (phi) linked with the coil depends on time t as phi=...

    Text Solution

    |

  9. An aluminium ring B faces an electromagnet A. The current I through A ...

    Text Solution

    |

  10. A small magnet M is allowed to fall through a fixed horizontal conduct...

    Text Solution

    |

  11. The magnetic flux linked with a coil is phi and the emf induced in it ...

    Text Solution

    |

  12. The counductor AD moves to the right in a uniform magnetic field direc...

    Text Solution

    |

  13. A square loop ABCD of edge a moves to the right with a velocity v para...

    Text Solution

    |

  14. The loop shown moves with a velocity v in a uniform magnetic field of ...

    Text Solution

    |

  15. The magnitude of the earth's magnetic field at the north pole is B(0) ...

    Text Solution

    |

  16. A vertical conducting ring of radius R falls vertically in a horizonta...

    Text Solution

    |

  17. Two conducting rings of radii r and 2r move in apposite directions wit...

    Text Solution

    |

  18. A conducting disc of radius r spins about its axis an angular velocity...

    Text Solution

    |

  19. A flat coil, C, of n turns, area A and resistance R, is placed in a un...

    Text Solution

    |

  20. The SI unit of inductance, the henry can be written as

    Text Solution

    |