Home
Class 12
PHYSICS
A closed iron ring is held horizontally ...

A closed iron ring is held horizontally and a bar magnet is dropped through the ring with its length along the axis of he ring. The acceleration of the falling is

A

Equal to gravity

B

Less than gravity

C

More than gravity

D

Depends on the diameter of the ring and the length of the magnet

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE-IB|18 Videos
  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE-II|32 Videos
  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise Additional Exercise|11 Videos
  • ELECTRIC FIELD AND POTENTIAL

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|26 Videos
  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -II|22 Videos

Similar Questions

Explore conceptually related problems

A metal ring is held horizontally and bar magnet is dropped through the ring with its length along the axis of the ring. The acceleration of the falling magnet

Consider metal ring kept on a horizontal plane . A bar magnet is held above the ring with its length along the axis is held above the ring with its length along the axis of the ring . If the magnet is dropped freely the acceleration of the falling magnet is : ( g is accelration due to gravity )

A bar magnet is dropped along the axis of copper ring held horizontally. The acceleration of fall is

A metallic ring with a small cut is held horizontally and a magnet is allowed to fall vertically through the ring then the acceleration of the magnet is :

A resistance coil is held horizontally and a magnet is allowed to fall vertically through it . Then the acceleration of the magnet while passing through the coil is

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

In the figure shown, the magnet is pushed towards the fixed ring along the axis of the ring and it passes through the ring.

A bar magnet is dropped through a horizontal aluminium ring along the axis of the ring. What will be direction of induced current in the loop for the observer shown? What will be the direction of magnetic force experienced by the bar magnet?

A system consits fo a thin charged wire ring of radius R and a very long uniformly charged thread oriented along the axis of the ring, with one of its ends coinciding with the centre of the ring. The total charge of the ring, with one of the ring so equal to q . The charge of the thread (per unit length) is equal to lambda . Find the interaction froce between the ring and the thread.

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

AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE-IA
  1. If the flux of magnetic induction through each turn of a coil of resis...

    Text Solution

    |

  2. Two coils C(1) and C(2) are kept coaxially as shown the coil C(1) is c...

    Text Solution

    |

  3. A closed iron ring is held horizontally and a bar magnet is dropped th...

    Text Solution

    |

  4. The north pole of a magnet is brought near a metallic ring as shown in...

    Text Solution

    |

  5. Two similar circular loops carry equal currents in the same direction....

    Text Solution

    |

  6. As shown in the figure, à magnet is moved with a fast speed towards a ...

    Text Solution

    |

  7. Two different loops are concentric and lie in the same plane. The curr...

    Text Solution

    |

  8. A magnet is dropped dwon an infinitely long vertical copper tube,

    Text Solution

    |

  9. An infinitely long cylinder is kept parallel to a uniform magnetic fie...

    Text Solution

    |

  10. A magnet N-S is suspended from a spring and while at oscillates, the m...

    Text Solution

    |

  11. When the current through a solenoid increases at a constant rate, then...

    Text Solution

    |

  12. Two coils of wires A and B are mutually at right angles to each other ...

    Text Solution

    |

  13. In the given figure, the north pole of a magnet is brought towards a c...

    Text Solution

    |

  14. Two identical circular loops of metal wires are lying on a table witho...

    Text Solution

    |

  15. A closed loop moves normal to a constant electric field between the pl...

    Text Solution

    |

  16. A circular loop of radius R, carrying current I, lies in x-y plane wit...

    Text Solution

    |

  17. As shown in figure, P and Q are two co-axial conducting loops separate...

    Text Solution

    |

  18. The variation of induced emf (epsilon ) with time (t) in a coil if a s...

    Text Solution

    |

  19. A current carrying wire is placed below a coil in its plane, with curr...

    Text Solution

    |

  20. A wire loop is rotated in magneitc field. The frequency of change of d...

    Text Solution

    |