Home
Class 12
PHYSICS
Magnetic field induction at the centre o...

Magnetic field induction at the centre of a circular coil shown in the figure is

A

`(mu_(0)I(pi-1))/(pi r)`

B

`((mu_(0)I)(pi-1))/(2 pi r)`

C

`(mu_(0)I)/(pi r)`

D

`(mu_(0)I)/(2r) ((pi + 1)/(pi))`

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 COMPETITIVE THINKING|111 Videos

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos

  • MAGNETISM

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

How will the magnetic field induction at the centre of a circular coil carrying current change, if the current through the coil is doubled and the radius of the coil is halved?

Deduce the expression for the magnetic field induction at the centre of a circular electron orbit of radius r, and angular velocity of orbiting electron omega .

Find the magnetic field at the centre of the circular loop shown in figure.

Find the magnetic field at the centre of the circular loop shown in figure.

Find an expression for the magnetic field induction at the centre of a coil bent in the form of a square of side 2a , carrying current I, figure

The ratio of magnetic inductions at the centre of a circular coil of radius a and on its axis at a distance equal to its radius, will be-

What is the magnetic induction at the centre of a circular coil of 10 turns, each of radius 5 cm and carrying a current of 5 A ?

The magnetic field at the centre of a circular coil carrying current I ampere is B. It the coil is bent into smaller circular coil of n turns then its magnetic field at the centre is B, the ratio between B' and B is

TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-EVALUATION TEST
  1. Magnetic field induction at the centre of a circular coil shown in the...

    Text Solution

    |

  2. A long solenoid carries current I. Curve between energy density (at mi...

    Text Solution

    |

  3. A circular coil carrying current is placed in a region of uniform magn...

    Text Solution

    |

  4. Find the magnetic induction at point O if the current carrying wire is...

    Text Solution

    |

  5. A proton of mass m and charge q is accelerated by a potential differen...

    Text Solution

    |

  6. A conductor of length l is placed in E - W direction on a plane. Earth...

    Text Solution

    |

  7. A current I is flowing in a hexgonal coil of side a figure. The magnet...

    Text Solution

    |

  8. A wire is bent in the form of a circular arc with a straight portion A...

    Text Solution

    |

  9. alpha particles, each of energy 2 MeV, are transmitted in a uniform ma...

    Text Solution

    |

  10. The field normal to the plane of a wire of n turns and radis r which c...

    Text Solution

    |

  11. Calculate the magnetic field at distance y from the centre of the axis...

    Text Solution

    |

  12. A wire of cross-sectional area A forms three sides of a square and is ...

    Text Solution

    |

  13. A wider conductor strip of width x is bent into a slender tubing of ra...

    Text Solution

    |

  14. A long wire carrying a steady current is bent into a single coil such ...

    Text Solution

    |

  15. Find the magnetic moment of a thin round loop with current if the radi...

    Text Solution

    |

  16. A microammeter has as resistance of 100 Omega and full scale range of ...

    Text Solution

    |

  17. A current i is flowing in a straight conductor of length L. The magnet...

    Text Solution

    |

  18. A circular coil of radius r carries a current I. The magnetic field at...

    Text Solution

    |

  19. An infinite straigh conductor carrying current 2 I is split into a loo...

    Text Solution

    |