Home
Class 12
PHYSICS
A toroid with mean radius r(0), diameter...

A toroid with mean radius `r_(0)`, diameter `2a` have N turns carrying current l. What is the magnetic field B inside the the toroid?

Text Solution

Verified by Experts

The correct Answer is:
`(a)1.94xx10^(-4)T;` (b) `1.53xx10^(-4)` T
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FIELDS DUE TO CURRENTS

    RESNICK AND HALLIDAY|Exercise Practice Question (Single Correct)|36 Videos
  • MAGNETIC FIELDS DUE TO CURRENTS

    RESNICK AND HALLIDAY|Exercise Practice Question (More Than one correct choice )|12 Videos
  • MAGNETIC FIELDS DUE TO CURRENTS

    RESNICK AND HALLIDAY|Exercise Check point|4 Videos
  • INTERFERENCE AND DIFFRACTION

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (Integer Type)|6 Videos
  • MAGNETIC FORCE

    RESNICK AND HALLIDAY|Exercise Practice Questions (Integer type )|7 Videos

Similar Questions

Explore conceptually related problems

For toroid of mean radius 20 cm, turns = 240 and a current of 2A. What is the value of magnetic field within toroid ?

A coil wrapped around a toroid has inner radius of 10*0cm and outer radius of 12*0cm . If the wire wrapped makes 1100 turns and carries a current of 5A , find the magnetic field (a) inside the core of the toroid (b) outside the toroid at a distance 10cm from the other surface of toroid.

Consider a torod , having a circular cross-section of radius b, major radius R ( R > > b), having N turns and carrying current I. Find the total energy stored in the toroid.

A toroid has number of turns per unit length n , current i , then the magnetic field is

A solenoid of length 0.5 m has a radius of 1 cm and is made up of 500 turns. It carries a current of 5 A. The magnetic field inside the solenoid is

A thin toroidal winding of mean circumference of 150 cm has 7500 turns and carries a current of 5 A. The magnetic intensity within the toroid at its mean radius is

A toroid of core of inner radius 0.25 m and outer radius 0.26 m around which 3500 turns of a wire are wound. If the current in the wire is 11 A, then magnetic field inside the core of the toroid is

A circular coil of radius 10 cm having 100 turns carries a current of 3.2 A. The magnetic field at the center of the coil is

RESNICK AND HALLIDAY-MAGNETIC FIELDS DUE TO CURRENTS-Problems
  1. Figure 29-47 shows wire 1 in cross section, the wire is long and strai...

    Text Solution

    |

  2. An electron is shot into one end of a solenoid.As it enters the unifor...

    Text Solution

    |

  3. A toroid with mean radius r(0), diameter 2a have N turns carrying curr...

    Text Solution

    |

  4. Figure shows a cross-section of a long ribbon of width omega that is c...

    Text Solution

    |

  5. Figure shows a cross-section of a long ribbon of width omega that is c...

    Text Solution

    |

  6. Eight wires cut the page perpendicularly at the points show in figure....

    Text Solution

    |

  7. A current of 1//(4pi) ampere is flowing in a long straight conductor. ...

    Text Solution

    |

  8. A long solenoid with 10 turn / cm and a radius of 7.0 cm carries a c...

    Text Solution

    |

  9. Two wire loop PQRSP formed by joining two semicircular wires of radii ...

    Text Solution

    |

  10. A 470 - turn solenoid having a length of 25 cm and a diameter of 10 cm...

    Text Solution

    |

  11. What is magnetic dipole moment? Calculate the magnetic dipole moment o...

    Text Solution

    |

  12. Figure shows a straight wire of length a carrying a current I. What is...

    Text Solution

    |

  13. A long solenoid has 200 turns per cm and carries a current of 2.5A. Th...

    Text Solution

    |

  14. The current density bar(J) inside a long, solid cylindrical wire of ra...

    Text Solution

    |

  15. A circular loop of radius 12 cm carries a current of 7.2 A. A flat coi...

    Text Solution

    |

  16. At a place, the horizontal component of earth's magnetic field is B an...

    Text Solution

    |

  17. A student makes a short electromagnet by winding 280 turns of wire aro...

    Text Solution

    |

  18. In Fig 29-54, two long straight wires are perpendicular to the page an...

    Text Solution

    |

  19. A conductor consists of a circular loop of radius R =10 cm and two str...

    Text Solution

    |

  20. Figure 29-56 shows two current segments. The lower segment carries a c...

    Text Solution

    |