Two pure inductors each of self-inductance `L` are connected in parallel but are well separted from each other. The total inductance is

Two pure inductors each of self inductance L are connected in parallel but are well separated from each other. The total inductance is

Two pure inductors each of self-inductance L are connected in parallel but are well separated form each other. Then, the total inductance is

Two pure inductors each of self inductance L are connected in series,the net inductance is

Two pure inductors each of self inductance L are connected in series, the net inductance is

Two inductors each of inductance L are joined in parallel. Their equivalent inductance is