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Home
Class 12
PHYSICS
A circular loop carrying a current is re...

A circular loop carrying a current is replaced by an equivalent magnetic dipole. A point on the axis of the loop is in

A

end-on position

B

broadside-on position

C

both

D

none

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Text Solution

Verified by Experts

The correct Answer is:
A
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A circular loop carrying a current is replaced by an equivalent magnetic dipole. A point on the loop is in

Sketch the magnetic field lines for a current-carrying circular loop near its centre. Replace the loop by an equivalent magnetic dipole and sketch the magnetic field lines near the centre of the dipole. Identify the difference.

Knowledge Check

  • A circular loop of area 0.01 m^(2) and carrying a current of 10A is placed parallel to a magnetic field of intensity 0.1 T. The torque acting on the loop, in Nm is

    A
    1.1
    B
    0.8
    C
    0.001
    D
    0.01

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    HC VERMA-PERMANENT MAGNETS-Objective
    1. A circular loop carrying a current is replaced by an equivalent magnet...

      01:28

      |

    2. A circular loop carrying a current is replaced by an equivalent magnet...

      01:18

      |

    3. When a current in a circular loop is equivalently replaced by a magnet...

      02:53

      |

    4. Let r be the distance of a point on the axis of a bar magnet from its ...

      01:48

      |

    5. Let r be the distance of a point on the axis of a magnetic dipole from...

      03:54

      |

    6. Two short magnets of equal dipole moments M are fastened perpendicular...

      04:51

      |

    7. Magnetic meridian is an imaginary:

      02:51

      |

    8. A compose needle which is allowed to move in a horizontal plane is tak...

      03:59

      |

    9. A dip circle is taken to geomagnetic equator. The needle is allowed to...

      03:46

      |

    10. Which of the following four graphs may best represent the current defl...

      03:45

      |

    11. A tangent galvanometer is connected directly to an ideal battery. If t...

      01:59

      |

    12. In the current is doubled, the deflection is also doubled in

      02:48

      |

    13. A very long bar magnet is placed with its north pole coinciding with t...

      02:22

      |

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