Home
Class 12
PHYSICS
The magnitude of the magnetic field at O...

The magnitude of the magnetic field at O ( centre of the circular part ) due to the current - carrying coil as shown is :

A

`(mu_0i)/(4pi)((4pi)/a+sqrt2/b)`

B

`(mu_0i)/(2pi)((3pi)/(2a)+sqrt2/b)`

C

`(mu_0i)/(2pi)((pi)/(3a)+3/(sqrt(2)b))`

D

`(mu_0i)/(4pi)((3pi)/(a)+sqrt2/b)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA NEET TEST 85

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA TPC JEE MAIN TEST 100

    NTA MOCK TESTS|Exercise PHYSICS (SUBJECTIVE NUMERICAL)|10 Videos

Similar Questions

Explore conceptually related problems

The magnetic field at the centre of the current carrying coil

The magnetic field at the centre of current carrying coil is

A circular coil of 200 turns has a radius of 10 cm and carries a current of 2.0 A. (a) Find the magnitude of the magnetic field (vec B) at the centre of the coil. (b) At what distance from the centre along the axis of the coil will the field B drop to half its value at the centre?

Find the magnitude of the magnetic field at the origin O due to very long conductor carrying current I of the shape as shown in figure.

The magnitude of the magnetic field at the centre of the tightly wound 150 turn coil of radius 12 cm carrying a current of 2 A is

Find the magnitude and direction of magnetic field at point P due to the current carrying wire as shown in

What happens to the magnetic field at the centre of a circular current carrying coil if we double the radius of the coil keeping the current unchanged?

NTA MOCK TESTS-NTA NEET TEST 98-PHYSICS
  1. In a Carnot engine , the temperature of the reservoir is 927^@C and t...

    Text Solution

    |

  2. A gas is expanded form volume V(0) to 2V(0) under three different pro...

    Text Solution

    |

  3. The magnitude of the magnetic field at O ( centre of the circular part...

    Text Solution

    |

  4. The strength of the magnetic field around a long straight current carr...

    Text Solution

    |

  5. A stone of density 2000 kg m^(-3) completely immersed in a lake is al...

    Text Solution

    |

  6. A body is projected up a smooth inclined plane with velocity V from th...

    Text Solution

    |

  7. A heavy uniform chain lies on a horizontal table-top. If the coefficie...

    Text Solution

    |

  8. The system of two blocks is at rest an shown in the figure. A variabl...

    Text Solution

    |

  9. IF in a nuclear fission, piece of uranium of mass 5.0g is lost, the en...

    Text Solution

    |

  10. In a nuclear reactor the function of the moderator is,

    Text Solution

    |

  11. THE magnitude of maximum accesleration is pi times that of maximum ve...

    Text Solution

    |

  12. A pole is floating in a liquid with 80 cm of its length immersed. It i...

    Text Solution

    |

  13. A photo cell is receiving light from a source placed at a distance of ...

    Text Solution

    |

  14. The frequency of incident light falling on a photosensitive metal plat...

    Text Solution

    |

  15. Two liquids which do not react chemically are placed in a bent tube as...

    Text Solution

    |

  16. A soap bubble A of radius 0.03 m and another bubble B of radius 0.04 m...

    Text Solution

    |

  17. An air bubble in a glass slab with refractive index 1.5 (near normal i...

    Text Solution

    |

  18. A ray of light passing through a prism having refractive index sqrt(2)...

    Text Solution

    |

  19. A uniform meter scale of mass 1kg is placed on table such that a part ...

    Text Solution

    |

  20. Two solid cylinders P and Q of same mass and same radius start rolling...

    Text Solution

    |