Energy Stored in Different Coils#
Solenoid \(A\) is tightly wound while solenoid \(B\) has windings that are evenly spaced with a gap equal to \({\rm {{ params_num }}} d\), where \(d\) is the diameter of the wire. The solenoids are otherwise identical.
Question Text#
Determine the ratio of the energies stored per unit length of these solenoids when the same current flows through each.
Answer Section#
pl-submission-panel#
pl-answer-panel#
\(E_B/E_A =\) .
Attribution#
Problem is licensed under the CC-BY-NC-SA 4.0 license.