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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 $$\rm\ H$$.
$$L =$$ $$\rm\ H$$.