$($g$)$

$($h$)$

$($i$)$

Figure Q$6.$

Q$7-$ In the diode circuits $($a$),($g$),($i$),($j$)$ shown in Figure Q$6,v_{\text{I}}$ is a $1kHz,5V$ peak sine wave. Using the constant$-$voltage$-$drop $(V_D=0\mathrm{.}5V)$ diode model sketch the waveform resulting at $v_o.$ Indicate the positive and negative peak values.