Home
Class 12
PHYSICS
If B is the magnetic induction, at the c...

If `B` is the magnetic induction, at the centre of a circular coil of radius `'r'` carrying a current is `1T`, then its value at a distance of `sqrt(3)r` on the axis from the centre of the coil is

A

`1/8T`

B

`1/16 T`

C

`8T`

D

`1/4T`

Text Solution

Verified by Experts

The correct Answer is:
A

`(B_o)/(B_C) = (R^3)/((x^2 + R^2)^(3//2) )`
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise EXERCISE - 2(C.W) (TANGENT GALVANOMETER)|2 Videos
  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise EXERCISE - 2(C.W) (CURRENT LOOP AND MAGNETIC DIPOLE)|2 Videos
  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise EXERCISE - 1(H.W) (CONVERSION OF MCG INTO AMMETER AND VOLTMETER)|9 Videos
  • MAGNETISM AND MATTER

    NARAYNA|Exercise EXERCISE - 4 (SINGLE ANSWER TYPE QUESTION)|17 Videos
  • NUCLEAR PHYSICS

    NARAYNA|Exercise LEVEL-II-(H.W)|9 Videos

Similar Questions

Explore conceptually related problems

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 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-

the intensity of the magnetic induction field at the centre of a single turn circular coil of radius 5 cm carrying current of 0.9 A is

What is the magnetic field at a distance R from a coil of radius r carrying current l ?

A circular coil of radius r carries a current I. The magnetic field at its centre is B. At what distance from the centre, on the axis of the coil the magneitc field will be B/27 ?

The magnetic induction at the centre of a current carrying circular coil of radius 10cm is 5sqrt(5) times the magnetic induction at a point on its axis. The distance of the point from the centre of the coild in cm is

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?

NARAYNA-MOVING CHARGES AND MAGNETISM-EXERCISE - 2(C.W) (AMPERE.S CIRCUITAL LAW BIO-SAVART LAW AND ITS APPLICATIONS)
  1. A thin straight vertical conductor has 10amp current flows vertically ...

    Text Solution

    |

  2. A long straight wire carrying current of 30 A is placed in an exte...

    Text Solution

    |

  3. A straight section PQ of a circuit lise along the X-axis from x=-a/2 t...

    Text Solution

    |

  4. ABCD is a square of side L. A very long straight conductor carrying a ...

    Text Solution

    |

  5. The magnetic field at the centre of circular loop in the circuit shown...

    Text Solution

    |

  6. A current of 1A is flowing in the sides of equilateral triangle of sid...

    Text Solution

    |

  7. In the given figure the magnetic induction at the point O is

    Text Solution

    |

  8. Figure shows a coil of radius 2 cm concentric with a coil of radius 7c...

    Text Solution

    |

  9. Two identical coils carry equal currents have a common centre and thei...

    Text Solution

    |

  10. A uniform wire of resistance 12Omega is bent in the form of a square. ...

    Text Solution

    |

  11. A wire of length 10cm is bent into an arc of a circle such that it sub...

    Text Solution

    |

  12. A circular coil of radius 'r' having 'n' turns carries a current 'I'. ...

    Text Solution

    |

  13. Two wires A and B are of lengths 40cm and 30cm. A is bent into a circl...

    Text Solution

    |

  14. Two long straight conductors with corrents I(1) and I(2) are placed al...

    Text Solution

    |

  15. Magnetic field induction at the center of a circular coil of radius 5c...

    Text Solution

    |

  16. The magnetic induction at the centre of a current carrying circular co...

    Text Solution

    |

  17. Same current i is flowing in the three infinitely long wires along pos...

    Text Solution

    |

  18. Two long straight wires are connected by a circular section which has ...

    Text Solution

    |

  19. If B is the magnetic induction, at the centre of a circular coil of ra...

    Text Solution

    |