Home
Class 12
PHYSICS
Magnetic field at a distance a from long...

Magnetic field at a distance a from long current carrying wire is proportional to

A

`1/a`

B

`1/(a^(2))`

C

`1/(sqrta)`

D

`1/(a^(3//2))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    AAKASH SERIES|Exercise EXERCISE-IB|71 Videos

  • MOVING CHARGES AND MAGNETISM

    AAKASH SERIES|Exercise EXERCISE-II|79 Videos

  • MOVING CHARGES AND MAGNETISM

    AAKASH SERIES|Exercise EXERCISE-III|45 Videos

  • MOTION IN A STRAIGHT LINE

    AAKASH SERIES|Exercise very Short answer type question|15 Videos

  • NUCLEAR PHYSICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE PRACTICE SHEET (ADVANCED) Integer Type Questions|4 Videos

Similar Questions

Explore conceptually related problems

The magnetic field at the centre of the current carrying coil is

(A) : The magnetic field at the ends of a very long current carrying solenoid is half of that at the centre. (R) : If the solenoid is sufficiently long, the field within it is uniform.

Magnetic field due to a long current-carrying wire Oersted's experiments showed that there is a magnetic field around a current-carrying wire. We determine the magnitude of magnetic field at some distance from a long stright wire carrying a current I.

Draw the magnetic field lines around a current carrying wire. If the direction of current is out of the page?

The strength of magnetic field around an infinitely long current carrying conductor is

AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-IA
  1. The magnetic field due to a straight conductor of uniform cross - sect...

    Text Solution

    |

  2. A current I(1) carrying wire AB is placed near another long wire CD ca...

    Text Solution

    |

  3. Magnetic field at a distance a from long current carrying wire is prop...

    Text Solution

    |

  4. Two equal electric currents are flowing perpendicular to each other as...

    Text Solution

    |

  5. A very long straight wire carries a current I. At the instant when a c...

    Text Solution

    |

  6. A closed loop PQRS carrying a current is placed in a uniform magnetic ...

    Text Solution

    |

  7. A current carrying loop in the form of a right angle isosceles triangl...

    Text Solution

    |

  8. A circular coil AB CD carrying a current / is placed in a uniform magn...

    Text Solution

    |

  9. Two identical long conducting wires AOB and COD are placed at right an...

    Text Solution

    |

  10. Two infinitely long, thin, insulated, straight wires lie in the x-y pl...

    Text Solution

    |

  11. The correct match is

    Text Solution

    |

  12. A steady electric current is flowing through a cylindrical conductor ...

    Text Solution

    |

  13. An electron beam produces i) Electrical field around the beam ii) ...

    Text Solution

    |

  14. A thin straight vertical conductor has 10 amp current, vertically upwa...

    Text Solution

    |

  15. Two straight parallel conductors are kept horizontally one above the o...

    Text Solution

    |

  16. Two wires carrying

    Text Solution

    |

  17. A square loop, carrying a steady current I, is placed in a horizontal ...

    Text Solution

    |

  18. A long straight wire carries a current along the 'z' axis. One can fin...

    Text Solution

    |

  19. A loosely wound helix made of stiff metal wire is mounted vertically w...

    Text Solution

    |

  20. A current carrying loop in a uniform magnetic field experieces

    Text Solution

    |