Show that if \left|V_{GS}\right|\ll \left|V_{P}\right| then drain current can be approximated as I_{DS}=I_{DSS}-g_{mo} V_{GS}
Show that if \left|V_{GS}\right|\ll \left|V_{P}\right| then drain current can be approximated as I_{DS}=I_{DSS}-g_{mo} V_{GS}