Q&A - Ask Doubts and Get Answers

Sort by :
Clear All
Q
Engineering
126 Views   |  

A current I flows in an infinitely long wire with cross-section in the form of a semicircular ring of radius R The magnitude of the magnetic induction along its axis is

  • Option 1)

    \frac{\mu _{0}I}{\pi ^{2}R}

  • Option 2)

    \frac{\mu _{0}I}{2\pi ^{2}R}

  • Option 3)

    \frac{\mu _{0}I}{2\pi R}

  • Option 4)

    \frac{\mu _{0}I}{4\pi R}

 
As we learnt in  For Finite Length - - wherein    Current in a small element dI Magnetic field due to the element Option 1) Correct Option 2) Incorrect Option 3) Incorrect Option 4) Incorrect
Exams
Articles
Questions