Home
Class 12
PHYSICS
Current flows through uniform square fra...

Current flows through uniform square frames as shown. In which case is the magnetic field at the centre of the frame not zero ?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A current l flows through a closed loop as shown in figure .The magnetic field at the centre O is

In the figures given show four different sets of wires that cross each other without actually touching. The magnitude of the current is the same in all four cases and the directions of current flow are as indicated. For which configuration will the magnetic field at the centre of the square formed by the wires be equal to zero?

A square loop of side a carris a current I . The magnetic field at the centre of the loop is

A current I is flowing through the loop , as shown in the figure . The magnetic field at centre O is

D MUKHERJEE-MOTION OF CHARGED PARTICLES-All Questions
  1. A charged particle P leaves the origin with speed v=v0 at some inclina...

    Text Solution

    |

  2. A charged particle is fired at an angle theta to a uniform magnetic f...

    Text Solution

    |

  3. Current flows through uniform square frames as shown. In which case is...

    Text Solution

    |

  4. A long, narrow beam of electrons, of uniform cross-section consists of...

    Text Solution

    |

  5. Two loops are facing each other as shown in Figure. State whether the ...

    Text Solution

    |

  6. A pair of long, smooth, parallel, horizontal, conducting rails are joi...

    Text Solution

    |

  7. A flat, rectangular coil, carrying current is placed beside a long, st...

    Text Solution

    |

  8. A small bar magnet moves along the axis of a flat, closed coil. The ma...

    Text Solution

    |

  9. A metal ring is placed in a magnetic field, with its plane | to the fi...

    Text Solution

    |

  10. A metal rod of length l pivoted at is upper end. It is released from a...

    Text Solution

    |

  11. A thin, straight conductor lies along the axis of a hollow conductor o...

    Text Solution

    |

  12. A solenoid is connected to a cell. There is no resistance in the circu...

    Text Solution

    |

  13. In a region of space with mutually perpendicular electric and magnetic...

    Text Solution

    |

  14. A charged particle passes through a uniform electric field existing be...

    Text Solution

    |

  15. A particle of mass m and charge q is projected into a region having a ...

    Text Solution

    |

  16. A long straight conductor carries current I. Assume that every charge ...

    Text Solution

    |

  17. The flux linked with a coil is 0.8Wb when 2A current flows thorugh it....

    Text Solution

    |

  18. A small flat coil carrying current has magnetic moment mu. It is place...

    Text Solution

    |

  19. An electron moving in a circular orbit of radius r makes n rotation...

    Text Solution

    |

  20. A small, flat coil of resitance r is placed at the centre of a large, ...

    Text Solution

    |