You need to convert the inductance value to henry. Then, simply divide the inductance by the resistance.
Lt= 1/(1/L1+1/L2) Lt= 1/(1/.02+1/.05) Lt= 14.29 mH
Colloidal volume expander e.g., haemacel and if the urine ouput does not increase to >50mh/h & blood pressure is above 100/50mmhg, try 20mg frusemide IV