Home
Class 12
PHYSICS
Infinite number of straight wires each c...

Infinite number of straight wires each carrying current I are equally placed as shown in the figure Adjacent wires have current in opposite direction Net magnetic field at point `P` is
.

A

`(mu_(0)I)/(4pi)(l n2)/(sqrt(3)a)hatk`

B

`(mu_(0)I)/(4pi)(l n4)/(sqrt(3)a)hatk`

C

`(mu_(0)I)/(4pi)(l n4)/(sqrt(3)a)(-hatk)`

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM

    MOTION|Exercise EXERCISE-2 (Level-I)|40 Videos

  • MAGNETISM

    MOTION|Exercise EXERCISE-2 (Level-II)|15 Videos

  • MAGNETISM

    MOTION|Exercise EXERCISE-4 (LEVEL-II)|40 Videos

  • LOGIC GATES

    MOTION|Exercise EXERCISE - 2|10 Videos

  • MAGNETISM -1

    MOTION|Exercise Exercise - 3 SECTION -A|56 Videos

Similar Questions

Explore conceptually related problems

The wire shown in figure carries a current of 32 A . If r = 3.14 cm , the magnetic field at point P will be

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

The segment of wire shown in figure carries a current of i=5 A. The magnetic field (in Tesla) at the point P is

The wire shown in figure carries a current of 40A . If r=3.14cm the magnetic field at point p will be

Four long wires each carrying current I as shown in the figure are placed at the points A, B, C and D. Find the magnitude and direction of magnetic field at the centre of the square.

Two perpendicular infinite wires are carrying current i as shown in the figure. The magnetic field at point P is :

MOTION-MAGNETISM -EXERCISE-1
  1. Determine the magnetic field at the centre of the current carrying wir...

    Text Solution

    |

  2. An uniform beam of positivley charged particles is moving with...

    Text Solution

    |

  3. Infinite number of straight wires each carrying current I are equally ...

    Text Solution

    |

  4. A long straight wire, carrying current I, is bent at its midpoint to f...

    Text Solution

    |

  5. In a coaxial, straght cable, the central conductor and the outer condu...

    Text Solution

    |

  6. The magnetic field B inside a long solenoid, carrying a current of 5.0...

    Text Solution

    |

  7. A rod AB moves with a uniform velocity v in a uniform magnetic field a...

    Text Solution

    |

  8. A hollow cylinder having infinite length and carrying unifrom current ...

    Text Solution

    |

  9. Axis of a solid cylinder of infinite length and radius R lies along y-...

    Text Solution

    |

  10. The dimensional formula for the physical quantity (E^(2)mu(0)epsilon(0...

    Text Solution

    |

  11. Two circular coils A and B of radius (5)/sqrt2cm amd 5cm respectively ...

    Text Solution

    |

  12. Find the magnetic induction at the origin in the figure shown.

    Text Solution

    |

  13. A thin, straight conductor lies along the axis of a hollow conductor o...

    Text Solution

    |

  14. A current l flows along the length of an infinitely long, straight, th...

    Text Solution

    |

  15. A current carrying wire (current = i) perpendicular to the plane of th...

    Text Solution

    |

  16. An electron moving in a circular orbit of radius makes n rotations per...

    Text Solution

    |

  17. Net magnetic field at the centre of the circle O due to a current carr...

    Text Solution

    |

  18. A current I = 5.0 A A flows along a thin wire shaped as shwon in F...

    Text Solution

    |

  19. A current I flows around a closed path in the horizontal plane of circ...

    Text Solution

    |

  20. A coaxial cable made up of two conductors. The inner conductor is soli...

    Text Solution

    |