Considering turn density in solenoids is generally uniform over the whole solenoid, turn density also equals the total number of turns in a solenoid divided by the full length of the solenoid.

考虑到螺线管的匝数密度在整个螺线管上通常是均匀的，匝数密度也等于螺线管中的总匝数除以螺线管的全长。