Home
Class 12
PHYSICS
Four very long wires are arranged as sho...

Four very long wires are arranged as shown in the figure, so that their cross - section forms a square, with connections at the ends so that current I flow through all four wires. Length of each side of the formed such square is b. The magnetic field at the central point P (centre of the square) is

A

`(mu_(0)I)/(pib)`

B

`(2mu_(0)I)/(pib)`

C

0

D

`(mu_(0)I)/(sqrt2 pib)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 60

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

  • NTA JEE MOCK TEST 62

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

Current flows through uniform square frames as shown. In which case is the magnetic field at the centre of the frame not zero ?

Four very large metal plates are given charges as shown in figure. The middle two are then connected through a wire. Find the charge that will flow through the wire.

Figure shows an arrangement in which long parallel wires carrying equal currents into or out of the page of paper at the corners of a square. The magnetic field at the centre of square is

Four charges are arranged at the corners of a square as shown in the figure. The direction of electric field at the centre of the square is along

Figure shows a square loop made from a uniform wire. If a battery is connected between the pionts A and C. What will be the magnetic field at the centre O of the square?

Two infinitely long wires each carrying current I along the same direction are made into the geometry as shown in the figure. The magnetic field at the point P is

NTA MOCK TESTS-NTA JEE MOCK TEST 61-PHYSICS
  1. Two cylindrical conductors with equal cross-sections and different ...

    Text Solution

    |

  2. A conducting rod of resistance r moves uniformly with a constant speed...

    Text Solution

    |

  3. Four very long wires are arranged as shown in the figure, so that thei...

    Text Solution

    |

  4. A superconducting loop of radius R has self inductance L.A uniform & c...

    Text Solution

    |

  5. Air is filled in a bottle and it is corked at 35^(@)C. If the cork can...

    Text Solution

    |

  6. A cylindrical conductor of radius R carrying current i along the axis ...

    Text Solution

    |

  7. A ball is held at rest in position A by two light cords. The horizonta...

    Text Solution

    |

  8. A radioactive material decays by simultaneous emission of two particle...

    Text Solution

    |

  9. What is the time period of the seconds pendulum, on a planet similar t...

    Text Solution

    |

  10. The graph between frequency of incident radiations and stopping potent...

    Text Solution

    |

  11. A hollow sphere of mass M and radius r is immersed in a tank of water ...

    Text Solution

    |

  12. The curvature radii of a concavo-convex glass lens are 20cmand 60cm. T...

    Text Solution

    |

  13. A right triangular plate ABC of mass m is free to rotate in the vertic...

    Text Solution

    |

  14. A radio transmitter operates at a frequency of 880 kHz and a power of ...

    Text Solution

    |

  15. A refrigerator absorbs 2000 cal of heat from ice trays. If the coeffic...

    Text Solution

    |

  16. In Young's double slit experiment the two slits 0.12 mm apart are illu...

    Text Solution

    |

  17. Two uniform wires of a the same material are vibrating under the ...

    Text Solution

    |

  18. A particle of mass 10 g moves along a circle of the radius (1)/(pi) cm...

    Text Solution

    |

  19. A point source of light of power P(0) is placed at a distance of 4 m f...

    Text Solution

    |

  20. A particle A is projected from the ground with an initial velocity of ...

    Text Solution

    |