Home
Class 11
PHYSICS
Magnetic induction produced at the centr...

Magnetic induction produced at the centre of a circular loop carrying current is B . The magnetic moment of the loop of radius R is

A

`(BR^(3))/(2 pi mu_(0))`

B

`(2pi BR^(3))/(mu_(0))`

C

`(BR^(3))/(2 pi mu_(0))`

D

`(2pi BR^(2))/(mu_(0))`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise Evaluation Test|12 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise Critical Thinking Introduction|41 Videos
  • LAWS OF MOTION

    TARGET PUBLICATION|Exercise EXERCISE|281 Videos
  • MAGNETISM

    TARGET PUBLICATION|Exercise MCQs|147 Videos

Similar Questions

Explore conceptually related problems

The magnetic field at the centre of a circular coil of radius r carrying current l is B_(1) . The field at the centre of another coil of radius 2r carrying same current l is B_(2) . The ratio (B_(1))/(B_(2)) is

The magnetic induction of the centre of circular coil carrying current of 1.4 A is 1.76 xx 10^(-6) N/A m then the circumference of the loop is

A current loop in a magnetic field

The magnetic field at the centre of the current carrying coil

The dipole moment of a circular loop carrying a current I, is m and the magnetic field at the centre of the loop is B_(1) . When the dipole moment is doubled by keeping the current constant, the magnetic field at the centre of the loop is B_(2) . The ratio (B_(1))/(B_(2)) is:

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

When a certain length of wire is turned into one circular loop, the magnetic induction at the centre of coil due to some current flowing is B_(1) If the same wire is turned into three loops to make a circular coil, the magnetic induction at the center of this coil for the same current will be

A coil of length L, carries a current i. The magnetic moment of coil is proportional to

The magnetic induction at the centre of a current carrying circular coil of radius 10cm is 5sqrt(5) times the magnetic induction at a point on its axis. The distance of the point from the centre of the coil in m is

The magnetic induction at the centre of a coil made from a wire of length 22 cm carrying a current of 0.5 A is

TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT -Competitive Thinking Introduction
  1. Two parallel very long straight wires carrying current of 5 A each are...

    Text Solution

    |

  2. Two long straight wires, each carrying current of 5.0 A, are kept para...

    Text Solution

    |

  3. An arrangement of three parallel straight wires placed perpendicular t...

    Text Solution

    |

  4. A rectangular loop carrying a current i is placed in a uniform magneti...

    Text Solution

    |

  5. A triangular loop of side l carries a current I. It is placed in a mag...

    Text Solution

    |

  6. A current i flows in a circular coil of radius r. If the coil is place...

    Text Solution

    |

  7. The magnetic moment of a current (i) carrying circular coil of radius ...

    Text Solution

    |

  8. A current loop in a magnetic field

    Text Solution

    |

  9. Magnetic dipole moment vecM of the coil, placed in uniform magnetic fi...

    Text Solution

    |

  10. A coil of 100 turns and area 2 xx 10^(-2) m^(2), pivoted about a verti...

    Text Solution

    |

  11. A metallic rod of mass per unit length 0.5 kg m^(-1) is lying horizont...

    Text Solution

    |

  12. When a proton is released from rest in a room, it starts with an initi...

    Text Solution

    |

  13. A uniform electric field and a uniform magnetic field are produced, po...

    Text Solution

    |

  14. A rectangular loop of sides 10cm and 5cm carrying a current I of 12A i...

    Text Solution

    |

  15. A conductor lies along the z-axis at -1.5 le z lt 1.5 m and carries a ...

    Text Solution

    |

  16. Two current carrying coils have radii r and 2r and have same magnetic ...

    Text Solution

    |

  17. A very long straight wire of radius 'r carries current 'I'. Intensity ...

    Text Solution

    |

  18. Magnetic induction produced at the centre of a circular loop carrying ...

    Text Solution

    |

  19. The electron in the hydrogen atom circles around the proton with a spe...

    Text Solution

    |

  20. If two streams of proton move parallel to each other in the same direc...

    Text Solution

    |