# Inductance of a Solenoid#

A $${{ params.l }}\rm\ cm$$ long solenoid is wound with $${{ params.N }}\rm\ turns$$ of wire. The cross-sectional area of the coil is $${{ params.A }}\rm\ cm^2$$.

## Question Text#

What is the self-inductance of the solenoid?

Please enter a numeric value in $$\rm\ H$$.
$$L =$$ $$\rm\ H$$.