This type of chopper is shown in Fig.1.a. In Fig.1.a , when chopper CH1 is on, $v_{0}=V_{s}$ and current $i_0$ flows in the arrow direction shown. When CH1, is off $v_{0}=0$ but $i_{0}$ in the load continues flowing in the same direction through freewheeling diode $\mathrm{FD}$. It is thus seen …