question_answer

The self inductance of a solenoid of length L, area of cross-section A and having N turns is  [MP PET 1997; MP PET 2003]

A)            \[\frac{{{\mu }_{0}}{{N}^{2}}A}{L}\]                              

B)            \[\frac{{{\mu }_{0}}NA}{L}\]

C)            \[{{\mu }_{0}}{{N}^{2}}LA\]  

D)            \[{{\mu }_{0}}NAL\]