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#

Attribution#

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