Home
Class 12
PHYSICS
Current 'i' is flowing in heaxagonal coi...

Current 'i' is flowing in heaxagonal coil of side a. The magnetic induction at the centre of the coil will be

A

`(3sqrt3mu_(0)i)/(pia)`

B

`(mu_(0)i)/(3sqrt3pia)`

C

`(mu_(0)i)/(sqrt3pia)`

D

`(sqrt3mu_(0)i)/(pia)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    AAKASH SERIES|Exercise EXERCISE-II|79 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|3 Videos

Similar Questions

Explore conceptually related problems

Two concentric coils each of radius equal to 2 pi cm are placed at right angles to each other 3 ampere and 4 ampere are the currents flowing in each coil respectively. The magnetic induction in weber//m^(2) at the centre of the coils will be ( mu_(0) = 4 pi xx 10^(-7) Wb// A.m)

Two concentric coils each of radius equal to 2 pi cm are placed at right angles to each other 3 ampere and 4 ampere are the currents flowing in each coil respectively. The magnetic induction in weber//m^(2) at the centre of the coils will be ( mu_(0) = 4 pi xx 10^(-7) Wb// A.m)

The current I ampere is flowing in an equilateral triangle of side a the magnetic field induction at the centroid will be

Current I A flowing in a circular coil of radius r. then the magnetic induction at the centre is B. If the current is doubled then the magnetic induction will be

The current through a circular coil appears to be flowing in clock-wise direction for an observer. The magnetic induction at the centre of the coil is:

A current I flows in a thin wire in the shape of a regular polygon n sides. The magnetic induction at the centre of the polygon when ntooo is (R is the radius of its circumcircle)

The electric current in a circular coil of two turns produced a magnetic induction of 0.2 T at its centre. The coil is unwound and then rewound into a circular coil of four turns. If same current flows in the coil, the magnetic induction at the centre of the coil now is

A conductor of length L and carrying current i is bent to form a coil of two turns.Magnetic field at the centre of the coil will be

Two similar coils of radius R are lying concentriclaly with their planes at right angels to each other. The currents flowing in them are I and 2I respectively. The resulant magntic field induction at the centre will be

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

AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-III
  1. Two long mutually perpendicular conductors carrying currents I1 and I2...

    Text Solution

    |

  2. Two wires of same length are shaped into a square and a circle. If the...

    Text Solution

    |

  3. Current 'i' is flowing in heaxagonal coil of side a. The magnetic indu...

    Text Solution

    |

  4. A solenoid of length 'l' has N turns of wire closely spaced, each turn...

    Text Solution

    |

  5. A toroid has a core (non-ferromagnetic) of inner radius 25 cm and oute...

    Text Solution

    |

  6. A 3.0 cm wire carrying a current of 10 A is placed inside a solenoid p...

    Text Solution

    |

  7. A closely wound solenoid of 800 turns and area of cross-section 2.5xx1...

    Text Solution

    |

  8. A closely would solenoid of 2000 turns and area of cross-section 1.6xx...

    Text Solution

    |

  9. Two coaxial solenoids of different radii carry current I in the same ...

    Text Solution

    |

  10. A solenoid has 10^(3) turns per unit length. On passing a current of 2...

    Text Solution

    |

  11. Currents of 10 A and 2A are passed through two parallel wires A and B ...

    Text Solution

    |

  12. Wires 1 and 2 carrying currents i1 and i2 respectively are inclined at...

    Text Solution

    |

  13. Two parallel horizontal conductors are suspended by two light vertical...

    Text Solution

    |

  14. Two long parallel wires are at a distance 2d apart. They carry steady ...

    Text Solution

    |

  15. A conducting ring of mass 2kg, radius 0.5m carries a current of 4A. I...

    Text Solution

    |

  16. A circular coil of 25 turns and radius 12 cm is placed in a uniform ma...

    Text Solution

    |

  17. A galvanometer having a resistance of 50Omega, gives a full scale defl...

    Text Solution

    |

  18. An arrangement of three parallel straight wires pl,aced perpendicular ...

    Text Solution

    |

  19. The deflection of a galvanometer falls to 1//10^(th) when a resistanc...

    Text Solution

    |

  20. A metallic rod of mass per unit length 0.5 kg m^(-1) is lying horizont...

    Text Solution

    |