The load voltage below is $v_0=q,$ V$.$

a$.1$

b$.4\mathrm{.}2$

c$.2$

d$.2\mathrm{.}2$

The output voltage below is $v_0=q,$ V$.($Hint: ideal conditions$)$

a$.4$

b$.1\mathrm{.}5$

c$.-1\mathrm{.}5$

d$.3\mathrm{.}5$