Home
Class 12
PHYSICS
A circular loop of radius 0.0157m carrie...

A circular loop of radius `0.0157m` carries a current of 2.0 amp. The magnetic field at the centre of the loop is
`(mu_(0)=4pixx10^(-7)"weber"//amp-m)`

A

`1.57xx10^(-5)"weber"//m^(2)`

B

`8.0xx10^(-5)"weber"//m^(2)`

C

`2.5xx10^(-5)"weber"//m^(2)`

D

`3.14xx10^(-5)"weber"//m^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES

    ERRORLESS |Exercise QUESTIONS|126 Videos

  • MAGNETISM

    ERRORLESS |Exercise Assertion & Reason|1 Videos

Similar Questions

Explore conceptually related problems

A long solenoid has 200 turns per cm and carries a current of 2.5 amps. The magnetic field at its centre is (mu_(0)=4pixx10^(-7)"weber"//amp-m)

A circular loop of radius 9.7 cm carries a current 2.3 A. Obtain the magnitude of the magnetic field at the centre of the loop .

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

A square loop of edge 'a' carries a current l. The magnetic field at the centre of loop is

A circular loop of diameter 80 cm carries a steady current 2 A. The magnetic field intensity at the centre of the loop is _________ xx10^(-6) T . (Permeability of vacuum mu_(0)=4pixx10^(-7) N//A^(2) , Take pi=3.14 )

A circular loop of 2 turns carries a current of 5*0A . If the magnetic field at the centre of loop is 0*40mT , find the radius of the loop.

ERRORLESS -MAGNETIC EFFECT OF CURRENT-Exercise
  1. A straight wire carrying a current 10 A is bent into a semicircular ar...

    Text Solution

    |

  2. A long solenoid of length L has a mean diameter D. It has n layers of ...

    Text Solution

    |

  3. A circular loop of radius 0.0157m carries a current of 2.0 amp. The ma...

    Text Solution

    |

  4. A long solenoid has 200 turns per cm and carries a current of 2.5 amps...

    Text Solution

    |

  5. Two concentric coplanar circular loops of radii r(1) and r(2) carry cu...

    Text Solution

    |

  6. ABCD is a square loop made of a uniform conducting wire. A current ent...

    Text Solution

    |

  7. Magnetic fields at two points on the axis of a circular coil at a dist...

    Text Solution

    |

  8. An electric current passes through a long straight wire. At a distanc...

    Text Solution

    |

  9. A closely wound flat circuar coil of 25 turns of wire has diameter of ...

    Text Solution

    |

  10. The dimension of magnetic field in M,L,T and C (coulomb) is given as

    Text Solution

    |

  11. A current of 2 amp. flows in a long, straight wire of radius 2 mm. The...

    Text Solution

    |

  12. The magnetic field at the centre of a circular coil of radius r carryi...

    Text Solution

    |

  13. 1A current flows through an infinitely long straight wire. The magneti...

    Text Solution

    |

  14. Two infinitely long parallel wires carry equal current in same directi...

    Text Solution

    |

  15. A wire in the from of a square of side 'a' carries a current i. Then t...

    Text Solution

    |

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

    Text Solution

    |

  17. A long solenoid has n turns per metre and current IA is flowing throug...

    Text Solution

    |

  18. A wire carrying current I is shaped as shown. Section AB is a quarter ...

    Text Solution

    |

  19. Two long straight wires are set parallel to each other. Each carriers ...

    Text Solution

    |

  20. A magnetic field can be produced by

    Text Solution

    |