Home
Class 12
PHYSICS
A square frame of side l carries a curre...

A square frame of side l carries a current I and produces a magnetic field B at centre. If the same current is passed through a circular coil having the same perimeter as the square frame, it produces a field B' at its centre. Then `(B)/(B')` will be

A

`(8sqrt(2))/(pi^(2))`

B

`(8sqrt(2))/(pi^(3))`

C

`(8sqrt(2))/(pi)`

D

`(4sqrt(2))/(pi^(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE ENGLISH|Exercise SECTION B|17 Videos

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE ENGLISH|Exercise SECTION C|47 Videos

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|30 Videos

  • MOTION IN STRAIGHT LINE

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - J)|2 Videos

  • MOVING CHARGES AND MAGNETISM

    AAKASH INSTITUTE ENGLISH|Exercise Assignment Section J (Aakash Challengers Questions)|5 Videos

Similar Questions

Explore conceptually related problems

A square frame of side l carries a current produces a field B at its centre. The same current is passed through a circular loop having same perimeter as the square. The field at its centre is B' , the ratio of B//B' is

A square frame of side l carries a current produces a field B at its centre. The same current is passed through a circular loop having same perimeter as the square. The field at its centre is B' , the ratio of B//B' is

A square loop of side a carris a current I . The magnetic field at the centre of the loop is

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

A square conducting loop of side length L carries a current I.The magnetic field at the centre of the loop is

A square conducting loop of side length L carries a current I.The magnetic field at the centre of the loop is (dependence on L)

A circular coil of n turns and radius r carries a current I. The magnetic field at the centre is

The magneitc field produced at the center of a current carrying circular coil of radius r, is

What will be magnetic field at centre of current carrying circular loop of radius R?

A circular coil carrying a certain, current produces a magnetic field B_(0) at its center. The coil is now rewound so as to have 3 turns and the same currents is passed through it. The new magnetic field at the center is

AAKASH INSTITUTE ENGLISH-MOVING CHARGE AND MAGNESIUM-ASSIGNMENT (SECTION A)
  1. The radius of a circular current carrying coil is R. The distance on t...

    Text Solution

    |

  2. Figure shown a current loop two circular arcs jioned by two radial lin...

    Text Solution

    |

  3. Which of the following graphs represent variation of magnetic field B ...

    Text Solution

    |

  4. Two straight long conductors AOB and COD are perpendicular to each oth...

    Text Solution

    |

  5. The current I ampere is flowing in an equilateral triangle of side a t...

    Text Solution

    |

  6. A square frame of side l carries a current I and produces a magnetic f...

    Text Solution

    |

  7. The magnetic induction at the point O, if the wire carries a current I...

    Text Solution

    |

  8. The magnetic field intensity at the point O of a loop with current I, ...

    Text Solution

    |

  9. If an electron revolves around a nucleus in a circular orbit of radius...

    Text Solution

    |

  10. A thin disc of radius R has charge Q distributed uniformly on its surf...

    Text Solution

    |

  11. The number of turns per unit length of a solenoid is 10. If its averag...

    Text Solution

    |

  12. In a toroid the number of tuns per unit length is 1000 and current thr...

    Text Solution

    |

  13. A circular loop of radius R carrying a current I is placed in a unifor...

    Text Solution

    |

  14. A circular loop of radius R is kept in a uniform magnetic field pointi...

    Text Solution

    |

  15. Two long wires, carrying currents i1 and i2, are placed perpendicular...

    Text Solution

    |

  16. Quite often, connecting wires carrying currents in opposite directions...

    Text Solution

    |

  17. A rectanguar doop carrying a current I is situated near a long straigh...

    Text Solution

    |

  18. A square loop of side l iskept in a uniform magnetic field B such that...

    Text Solution

    |

  19. Choose the correct statement

    Text Solution

    |

  20. The current sensitivity of a moving coil galvanometer increases by 20%...

    Text Solution

    |