$2.$ You have been asked to design a full$-$wave bridge rectifier for a power supply. A step$-$down transformer has already been chenen. It will supply $12$V ms to yeur rectifier. The full$-$wave rectifier is shown in the circuin of Figure a$.$ If the diodes have an offset vollage of $0\mathrm{.}6$V$,$ sketch the input source voltage v$\_$s$($t$)$ and the cutput volage v$\_2(?),$ and state which diodes are on and which are off in the appropriate cycles of e$\_5($f$).$ The frequency of the souree is $60$Hz$.$ h$.$ If R$\_$L$=1,000\backslash$Omega and a capacitor, placed across R$\_$ to provide some filtering, has a value of $8\backslash$mu F$\_.^.$ sketch the celput vollage v$\_1($t$).$ c$.$ Repeat part b$,$ with the capacitance equal to $100\backslash$mu F$.$