Home
Class 12
PHYSICS
A straight thick long wire of uniform cr...

A straight thick long wire of uniform cross-section of radius a is carrying a steady current I. Calculate the ratio of magnetic field at a point `a//2` above the surface of the wire to that at a point `a//2` below its surface. What is the maximum value of the field of this wire?

Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFETS OF CURRENT

    MODERN PUBLICATION|Exercise EXERCISE|37 Videos

  • MAGNETIC DIPOLE & EARTH'S MAGNETISM

    MODERN PUBLICATION|Exercise EXERCISE|93 Videos

  • Optical Instruments

    MODERN PUBLICATION|Exercise EXERCISE|100 Videos

Similar Questions

Explore conceptually related problems

A straight wire carries a current of 3 A.Calculate the magnitude of the magnetic field at a point 15cm away from the wire. Draw a diagram to show tha direction of the magnetic field.

A long straight wire of radius a carries a steady current I. the current is uniformly distributed across it cross-section. The ratio of the magnetic field at a/2 and 2a is

A long straight wire carries a current of 35 A. What is the magnitude of the field B at a point 20 cm from the wire?

A long straight wire of circular cross-sectional of radius a carries a steady current I. The current is uniformly distributed across the cross-section. Apply Ampere's circuital law to calculate the magnetic field at a point r in the region r < a

A long straight wire of circular cross-sectional of radius a carries a steady current I. The current is uniformly distributed across the cross-section. Apply Ampere's circuital law to calculate the magnetic field at a point r in the region r > a

MODERN PUBLICATION-MAGNETIC EFFETS OF CURRENT-EXERCISE
  1. A straight thick long wire of uniform cross-section of radius a is car...

    Text Solution

    |

  2. State and explain Biot-Savart's theorem for a current carrying finite ...

    Text Solution

    |

  3. A current 'I' flows in a conductor placed perpendicular to the plane o...

    Text Solution

    |

  4. Explain Biot-Savart law for the magnetic field produced at a point due...

    Text Solution

    |

  5. Explain Biot-Savart law for the magnetic field produced at a point due...

    Text Solution

    |

  6. Derive an expression for magnetic field at the centre of circular curr...

    Text Solution

    |

  7. Using Biot-Savart's law, derive an expression for magnetic field at th...

    Text Solution

    |

  8. Using Biot-Savart's law, derive an expression for magnetic field at th...

    Text Solution

    |

  9. Derive an expression for magnetic field at the centre of circular curr...

    Text Solution

    |

  10. Using Biot-Savart's law, derive an expression for magnetic field at th...

    Text Solution

    |

  11. Using Biot-Savart's law, derive an expression for magnetic field at th...

    Text Solution

    |

  12. State Biot-Savart law. Using Biot-Savart law find the magnitude and di...

    Text Solution

    |

  13. State Biot-Savert's law. Use this law to find the magnetic field at a ...

    Text Solution

    |

  14. Derive an expression for magnetic field at the centre of circular curr...

    Text Solution

    |

  15. How will the magnetic field at the centre of a circular coil carrying ...

    Text Solution

    |

  16. State Ampere's circuital law.

    Text Solution

    |

  17. What is Maxwell's modification of Ampere's circuital law?

    Text Solution

    |

  18. State Ampere's circuital law. By using it derive an expression for mag...

    Text Solution

    |

  19. State Ampere's circuital law.

    Text Solution

    |

  20. Using Ampere's circuital theorem, calculate the magnetic field due to ...

    Text Solution

    |

  21. State Ampere's circuital law. By using it derive an expression for mag...

    Text Solution

    |