Swapnil posted an Question
July 18, 2020 • 03:33 am 5 points
  • IIT JAM
  • Physics (PH)

Consider an infinitely long straight cylindrical conductor ofradius r with its axis along the z-direction, which carries a current of 1 auniformly distributed o

Consider an infinitely long straight cylindrical conductor ofradius R with its axis along the z-direction, which carries a current of 1 Auniformly distributed over is cross section. Which ofthe following statements is correct 8 B 2everywhere (a) VxB 0 everywhere (c) VxB=0 for re R for R AmThe magnetic field at the point vand vnane cCa

1 Answer(s) Answer Now
  • 0 Likes
  • 3 Comments
  • 0 Shares
  • comment-profile-img>
    Ghost. best-answer

    Option (d) is correct , use Amphers law in differential form, and remember current density is I/(area of loop). Regards

  • comment-profile-img>
    Dhairya sharma

    option c would be correct bcoz curl od magnetic field = mu × j

  • Tushar

    (c) because curl of B is mu not times j and j=0 for r>R.

whatsapp-btn

Do You Want Better RANK in Your Exam?

Start Your Preparations with Eduncle’s FREE Study Material

  • Updated Syllabus, Paper Pattern & Full Exam Details
  • Sample Theory of Most Important Topic
  • Model Test Paper with Detailed Solutions
  • Last 5 Years Question Papers & Answers