Field on loop axis#

A circular loop of radius \(R\) carries a current \(I\).

Question Text#

At what distance \(z\) along the axis of the loop is the magnetic field one-half its value at the centre of the loop? Give your answer as a multiple of \(R\).

Answer Section#

pl-submission-panel#

pl-answer-panel#

\(z=\) \(R\)

Attribution#

Problem is from the OpenStax University Physics Volume 2 textbook, licensed under the CC-BY 4.0 license.
Image representing the Creative Commons 4.0 BY license.