Home
Class 12
PHYSICS
The magnetic field due to a conductor fo...

The magnetic field due to a conductor fo unifrom cross section of radius `a` and carrying a steady current is represented by

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FIELD

    CP SINGH|Exercise EXERCISE|77 Videos

  • ELECTROSTATICS

    CP SINGH|Exercise Exercises|226 Videos

  • MAGNETIC FORCE, MOMENT AND TORQUE

    CP SINGH|Exercise Exercises|141 Videos

Similar Questions

Explore conceptually related problems

Show graphically the variation of magnetic field due to a straight conductor of uniform cross-section or radius ‘a’ and carrying steady currently as a function of distance r (a > r) from the axis of the conductor.

A wire of non-uniform cross-section is carrying a steady current. Along the wire

The magnetic field near a current carrying conductor is given by

A straight thick long wire of uniform cross-section of radius 5cm is carrying a steady current 5A . Calculate the magnetic field at a point 2cm from the axis of wire, well inside the wire.

State the Biot-Savart's law for the magnetic field due to a current carrying element. Use this law to obtain a formula for magnetic field at the centre of a circular loop of radius R carrying a steady current I, sketch the magnetic field lines for a current loop clearly indicating the direction of the field.

Magnetic Field due to a Current Carrying Conductor

Write Ampere's circuital law.A long straight wire of a circular cross section (radius a ) carrying steady current.Current is uniformly distributed in the wire.Calculate magnetic field inside the region (r lt a) in the wire.

CP SINGH-MAGNETIC FIELD-EXERCISE
  1. A long, straight wire of radius R carries a current distributed unifor...

    Text Solution

    |

  2. A solid metallic cylinder carriers a direct current. The magnetic fiel...

    Text Solution

    |

  3. A hollow tube is carrying an electric current along its length distrib...

    Text Solution

    |

  4. Current flows through a straight cylindrical conductor of radius r. Th...

    Text Solution

    |

  5. In a coaxial, straight cable, the central conductor and the outer cond...

    Text Solution

    |

  6. A current I flows along the length of an infinitely long, straight , ...

    Text Solution

    |

  7. A long straight wire of radius a carries a steady current i. The curre...

    Text Solution

    |

  8. The magnetic field due to a conductor fo unifrom cross section of radi...

    Text Solution

    |

  9. An infinitely long hollow conducting cylinder with inner radius (r )/(...

    Text Solution

    |

  10. A coaxial cable consists of a thin inner conductor fixed along the axi...

    Text Solution

    |

  11. In previous question, if both conductors carry equal currents in the s...

    Text Solution

    |

  12. let B be the magnetic field at a point between the two conductors, at ...

    Text Solution

    |

  13. A long, straight, hollow conductor (tube) carrying a current has two s...

    Text Solution

    |

  14. Consider a coaxial cable which consists of an inner wire of radius a s...

    Text Solution

    |

  15. A long solenoid is fabricated by closely winding a wire of radius 0.5 ...

    Text Solution

    |

  16. A long solenoid carrying a current produces a magnetic field B alon...

    Text Solution

    |

  17. There are 50 turns of a wire in every cm langth of a long solenoid. If...

    Text Solution

    |

  18. A coil having N turns is would tightly in the form of a spiral with in...

    Text Solution

    |

  19. A charge Q is uniformly distributed over the surface of non - conducti...

    Text Solution

    |

  20. Two identical conducting wires AOB and COD are placed at right angles ...

    Text Solution

    |