Home
Class 12
PHYSICS
A bar magnet is dropped between a curren...

A bar magnet is dropped between a current carrying coil. What would be its acceleration?

A

a=g

B

`a gt g `

C

`a gt g`

D

a=0

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-3 (Assertion & Reasoning)|18 Videos

  • ELECTRO MAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-4| Section A (Prevous Years Problems )|28 Videos

  • ELECTRO MAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-1|72 Videos

  • Electrical Instrument

    MOTION|Exercise EXERCISE -3|16 Videos

  • ELECTRO MAGNETIC WAVES

    MOTION|Exercise EXERCISE - 3 (SECTION - B)|8 Videos

Similar Questions

Explore conceptually related problems

Magnetic force between two current carrying wires

The magnetic field at the centre of current carrying coil is

Sketch magnetic lines of force around a current carrying coil.

The magnetic field at the centre of the current carrying coil

The ratio of the magnetic field at the centre of a current carrying circular coil to its magnetic moment is x. If the current and radius both are doubled the new ratio will become

The direction of magnetic moment of a current carrying circular coil is

What happens to the magnetic field at the centre of a circular current carrying coil if we double the radius of the coil keeping the current unchanged?

The ratio of the magnetic field at the centre of a current carrying coil of the radius a and at distance 'a' from centre of the coil and perpendicular to the axis of coil is

MOTION-ELECTRO MAGNETIC INDUCTION-EXERCISE-2 (Objective problems (Analytical questions))
  1. A conducting rod rotates with a constant angular velocity 'omega' abou...

    Text Solution

    |

  2. Two long parallel metallic wires with a resistance 'R' from a horizont...

    Text Solution

    |

  3. A bar magnet is dropped between a current carrying coil. What would be...

    Text Solution

    |

  4. A closed coil consists of 500 turns has area 4 cm^2 and a resistance o...

    Text Solution

    |

  5. A coil of area 500cm^(2) and having 1000 turns is held perpendicular t...

    Text Solution

    |

  6. A current time curve is shown in the following diagrame . This type of...

    Text Solution

    |

  7. The armature coil of dynamo is in motion . The generated induced emf v...

    Text Solution

    |

  8. A simple electric motor has an armature resistance of 1Omega and runs ...

    Text Solution

    |

  9. A d.c motor has internal resistance 4 ohms . It is operated at 220 vol...

    Text Solution

    |

  10. An electric motor runs on a d.c. source of emf epsilon and internal re...

    Text Solution

    |

  11. Transformer is used to

    Text Solution

    |

  12. Large transformers, when used for some time, become hot and are cooled...

    Text Solution

    |

  13. For same rating which have the maximum efficiency from following :-

    Text Solution

    |

  14. 2.2 किलोवाट शक्ति को 20 ओम वाली लाइन से 44000 वोल्ट पर संचारित किया जा...

    Text Solution

    |

  15. If a transformer have turn tatio 5, frequency 50 Hz root mean square v...

    Text Solution

    |

  16. plane of eddy currents make an angle with the plane of magnetic lines ...

    Text Solution

    |

  17. Eddy currents do not produce

    Text Solution

    |

  18. When a metallic sphere is moved in a magnetic field , it gets heated d...

    Text Solution

    |

  19. Two copper cubes A and B composed of identical insulated plates are su...

    Text Solution

    |

  20. A bar magnet is dropped into a vertical copper tube, considering the a...

    Text Solution

    |