Home
Class 12
PHYSICS
When a non magnetic metallic strip is mo...

When a non magnetic metallic strip is moved away from between the poles of a horse-shoe magnet, there is

A

Force acting on the strip to oppose the motion

B

Force acting on the strip to help the motion

C

No force acting on the strip

D

Couple acting on the strip so as to rotate it

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise Assignment (SECTION - B)|8 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise Assignment (SECTION - C)|4 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise Try Yourself|41 Videos

  • ELECTRIC CHARGES AND FIELDS

    AAKASH INSTITUTE|Exercise SECTION -J(Aakash Challengers Questions)|5 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION - D Assertion-Reason Type Questions|25 Videos

Similar Questions

Explore conceptually related problems

When a small piece of wire passes between the magnetic poles of a horse-shoe magnet in 0.1 sec, emf of 4 xx 10^(–3) volt is induced in it. The magnetic flux between the poles is :

When a magnetic is moved with its N pole away from the coil, then the nearer face of the coil behaves as a

When distance between two given magnetic poles is halved, force between them becoems k times, where k=

When the wire loop is rotated in the magnetic field between the poles of a magnet the frequency of emf is

Magnetic field increases as we go away from a magnet.

The purpose of soft iron cylinder between the pole pieces of the horse - shoe magnet in a moving coil galvanometer is

AAKASH INSTITUTE-ELECTROMAGNETIC INDUCTION-Assignment (SECTION - A)
  1. A cylindrical bar magnet is kept along the axis of a circular coil. If...

    Text Solution

    |

  2. A circular wire loop of radius r is placed in a region of uniform magn...

    Text Solution

    |

  3. When a non magnetic metallic strip is moved away from between the pole...

    Text Solution

    |

  4. A magnet is allowed to fall towards a metal ring. During the fall Its ...

    Text Solution

    |

  5. A coil having 500 square loops each of side 10 cm is placed normal to ...

    Text Solution

    |

  6. The coefficient of mutual induction between two circuits is equal to t...

    Text Solution

    |

  7. The back emf in a DC motor is maximum when,

    Text Solution

    |

  8. If the radius of a coil is changing at the rate of 10^(-2) unit in a n...

    Text Solution

    |

  9. If a coil of 40 turns and area 4.0 cm^(2) is suddenly remove from a m...

    Text Solution

    |

  10. The core of transformer is laminated so that

    Text Solution

    |

  11. Two coil are placed close to each other. The mutual inductance of the ...

    Text Solution

    |

  12. A magnetic flux of 500 microweber passing through a 200 turn coil is r...

    Text Solution

    |

  13. A coil of area 0.1m^(2) has 500 tums. After placing the coil in a magn...

    Text Solution

    |

  14. Two circular coils have their centres at the same point. The mutual in...

    Text Solution

    |

  15. When a battery is connected across a series combination of self induct...

    Text Solution

    |

  16. In a uniform magneitc field of induced B a wire in the form of a semic...

    Text Solution

    |

  17. A metal conductor of length 1m rotates vertically about one of its end...

    Text Solution

    |

  18. A copper disc of radius 0.1 m is roated about its centre with 20 revol...

    Text Solution

    |

  19. Two coils of self-inductance 2mH and 8 mH are placed so close togethe...

    Text Solution

    |

  20. The equivalent quantity of mass in electricity is

    Text Solution

    |