The Thevenin equivalent between a and b for the given circuit given below is

V$\_($th$)=14$V$,$R$\_($th$)=3\mathrm{.}6\backslash$Omega

V$\_($th$)=16$V$,$R$\_($th$)=5\mathrm{.}6\backslash$Omega

V$\_($th$)=24$V$,$R$\_($th$)=4\mathrm{.}8\backslash$Omega

V$\_($th$)=20$V$,$R$\_($th$)=7\mathrm{.}2\backslash$Omega