Home
Class 12
PHYSICS
A vertical conducting ring of radius R f...

A vertical conducting ring of radius `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

no current flows in the ring

B

`A` and `D` are the same potential

C

`C` and `E` are the same potential

D

the potential differece between `A` and `D` is `2BRv` with `D` at a higher potential

Text Solution

Verified by Experts

The correct Answer is:
C, 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 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 vertical conduction ring of radius R falls vertically in a horizontal magnetic field of magnitude B with constant speed v . The direction of B is perpendicular to the plane of the ring. When the speed of the ring is v , (i) A and D are at different potential (ii) A and D are at the same potential (iii) C and E are at the same potential (iv) The potential difference between A and D is 2BRv , with D a higher potential

A vertical conducting ring of radius R falls vertically with a speed V in a horizontal uniform magnetic field B which is perpendicular to the plane of the ring. Which of the following statements is correct?

A vertical ring of radius r and resistance on R falls vertically. It is in contact with two vertical rails which are joined at the top. The rails are without friction and resistance. There is a horizontal uniform, magnetic field of magnitude B perpendicular to the plane of the ring and the rails. When the speed of the ring is v , the current in the section PQ is

A thin semicircular conducting ring of radius R is falling with its plane vertical in a horizontal magnetic induction B. At the position MNQ shown in the fig, the speed of the ring is V. The potential difference developed across the semicircular ring is

A thin semicircuilar conducting ring (PQR) of radius r is falling with its plane vertical in a horizontal magnetic field B, as shown in Fig. The potential difference developed across the ring when its speed is upsilon , is

A conducting ring of radius 2R rolls on a smooth horizontal conducting surface as shown in figure-5.295. A uniform horizontal magnetic field B is perpendicular to the plane of the ring. The potential of A with respect to O is:

A thin semi-circular conducting ring of radius R is falling with its plane verticle in horizontal magnetic induction (vec B) . At the position MNQ the speed of the ring is v, and the potential difference developed across the ring is

A thin circular -conducting ring having N turns of radius R is falling with its plane vertical in a horizontal magnetic field B . At the position MNQ the speed of ring is v the induced e.m.f developed across the ring is

A conducting ring of radius r and resistance R is placed in region of uniform time varying magnetic field B which is perpendicular to the plane of the ring. It the magnetic field is changing at a rate alpha , then the current induced 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

    |