Home
Class 12
PHYSICS
A conducting circular loop of radiius r ...

A conducting circular loop of radiius `r` carries a constant current `i`. It is placed in a uniform magnetic field `vec(B)_(0)` such that `vec(B)_(0)` is perpendicular to the plane of the loop . The magnetic force acting on the loop is

A

`4pirIB`

B

zero

C

`2pirIB`

D

none

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM

    MOTION|Exercise EXERCISE-2 (Level-II)|15 Videos
  • MAGNETISM

    MOTION|Exercise EXERCISE-3 (Level-I)|46 Videos
  • MAGNETISM

    MOTION|Exercise EXERCISE-1|50 Videos
  • LOGIC GATES

    MOTION|Exercise EXERCISE - 2|10 Videos
  • MAGNETISM -1

    MOTION|Exercise Exercise - 3 SECTION -A|56 Videos

Similar Questions

Explore conceptually related problems

A conducting circular loop of radius r carries a constant current i. It is placed in a uniform magnetic field vecB such that vecB is perpendicular to the plane of the loop. What is the torque acting on the loop?

A conducting circular loop of radius r carries a constant current i.It is placed in a uniform magnetic field B such that B is perpendicular to the plane of the loop. The magnetic force acting on the loop is

A conducting circular loop of radius r carries a constant current i. It is placed in a uniform magnetic field B such that B is perpendicular to the plane of loop. What is the magnetic force acting on the loop?

A conducting circular loop of radius r carries a constant i. It is placed in a uniform magnetic field B such that B is perpendiclar to the plane of thre loop is .What is the magnetic force acting on the loop?

A conducting circular loop of radius r carries a constant current i. It is placed in a uniform magnetic field B such that B is parallel to the plane of the loop. The magnetic torque acting on the loop is-

A circular loop of radius 0*2m carrying a current of 1A is placed in a uniform magnetic field of 0*5T . The magnetic field is perpendicular to the plane of the loop. What is the force experienced by the loop?

A square shaped current loop of side length L and carrying current I lies in a uniform magnetic field B acting perpendicular to the plane of squre loop and directed inward. The net magnetic force acting on current loop is

MOTION-MAGNETISM -EXERCISE-2 (Level-I)
  1. In the diagram shown, a wire carries current I. What is the value of t...

    Text Solution

    |

  2. A block of mass m & charge q is released on a long smooth inclined pla...

    Text Solution

    |

  3. A particle moving with velocity v having specific charge (q/m) enters ...

    Text Solution

    |

  4. A particle of specific charge (charge/mass) alpha starts moving from t...

    Text Solution

    |

  5. A particle of charge q and mass m starts moving from the origin under ...

    Text Solution

    |

  6. A charged particle enters a uniform magnetic field perpendicular to it...

    Text Solution

    |

  7. A charged particle (charge q, mass m) has velocity v(0) at origin in +...

    Text Solution

    |

  8. A conducting circular loop of radiius r carries a constant current i. ...

    Text Solution

    |

  9. A rectangular loop of wire is oriented with the left corner at the ori...

    Text Solution

    |

  10. A square current carrying loop made of thin wire and having a mass m=1...

    Text Solution

    |

  11. Q charge is uniformaly distributed over the same surface of a right ci...

    Text Solution

    |

  12. Find the work and power required to move the conductor of length l sho...

    Text Solution

    |

  13. The magnetic needle of a tangent galvanometer is deflected at an angle...

    Text Solution

    |

  14. In a deflection magnetometer, the external magnet should be replaced :

    Text Solution

    |

  15. A short magnet produces a deflection of 45^(@) along the east of defle...

    Text Solution

    |

  16. A coil in the shape of an equilateral triangle of side l is suspended ...

    Text Solution

    |

  17. A bar magnet of length 0.1 m and with a magnetic moment of 5Am^(2) is ...

    Text Solution

    |

  18. The vertical component of earth's magnetic field is zero at or The ear...

    Text Solution

    |

  19. On placing a piece of ferromagnetic material of cross-sectional area 1...

    Text Solution

    |

  20. Each atom of every matter is a complete magnet itself:

    Text Solution

    |