Home
Class 12
PHYSICS
A cube made of wire of equal length is c...

A cube made of wire of equal length is connected to a battery as shown in figure.The magnetic field at the centre of the cube is

A

`(12)/(sqrt(2))(mu_(0)I)/(piL)`

B

`(6mu_(0)I)/(sqrt(2)piL)`

C

`(6 mu_(0)I)/(pi L)`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
4
Magnetic field is zero at the centre due to symmetrical current distribution
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise ILLUSTRATION|58 Videos

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise C.U.Q (AMPERE.S CIRCUITAL LAW MAGNETIC FIELD DUE TO STRAIGHT CONDUCTOR )|28 Videos

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise Level =I (H.W)|42 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

A current carrying wire AB of the length L is turned along a circle, as shown in figure. The magnetic field at the centre O.

The wire loop shown in figure carries a current as shown. The magnetic field at the centre O is ,

A conducting circular loop of radius a is connected to two long, straight wires . The straight wires carry a current I as shown in figure . Find the magnetic field B at the centre of the loop.

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?

A long wire carrying current 'I' is bent into the shape as shown in the figure. The net magnetic field intensity at the centre 'O' is

A wire of infinite length bent as shown in figure carries current l. What is the magnetic field at the point P ?

NARAYNA-MOVING CHARGES AND MAGNETISM-Level -II (H.W)
  1. The wire shown in figure carries a current of 40A. If r=3.14cm the mag...

    Text Solution

    |

  2. The magnetic field at the centre of semicircle o in the figure is

    Text Solution

    |

  3. A cube made of wire of equal length is connected to a battery as shown...

    Text Solution

    |

  4. In the Bohr model of the hydrogen atom, the electron circuulates aroun...

    Text Solution

    |

  5. In the given loop the magnetic field at the centre O is

    Text Solution

    |

  6. The field normal to the plane of a wire of n turns and radis r which c...

    Text Solution

    |

  7. Figure shows the cross-sectional view of the hollow cylindrical conduc...

    Text Solution

    |

  8. In the following figure a wire bent in the form of a regular polygon o...

    Text Solution

    |

  9. Two concentric coils of 10 turns each are placed in the same plane. Th...

    Text Solution

    |

  10. Two tangent galvanometers having coils of the same radius are connecte...

    Text Solution

    |

  11. A tangent galvanometer carrying a certain current gave a defelction of...

    Text Solution

    |

  12. A wire length 6.28m is bent into a circular coil of 2 turns. If a curr...

    Text Solution

    |

  13. A wire length 6.28m is bent into a circular coil of 2 turns. If a curr...

    Text Solution

    |

  14. A solenoid of 1000 turns is wound uniformly on a glass tube 50cm long ...

    Text Solution

    |

  15. A long solenoid has 200 turns per cm and carries a current i. The magn...

    Text Solution

    |

  16. A proton moving in a perpendicular magnetic field possesses kinetic en...

    Text Solution

    |

  17. Electrons accelerated by a potential differnece V enter a uniform magn...

    Text Solution

    |

  18. An electron is shot in steady electric and magnetic field E and magnet...

    Text Solution

    |

  19. A beam of protons with a velocity of 4 X 10 ^5 ms^(-1) enters a unifor...

    Text Solution

    |

  20. A unifrom magnetic field B is acting from south to north and is of m...

    Text Solution

    |