▁applied , ▁the ▁base ▁current ▁var ies , ▁and ▁the ▁collect or - em itter ▁voltage ▁in ▁turn ▁var ies , ▁following ▁the ▁load ▁line ▁- ▁the ▁result ▁is ▁an ▁ampl ifier ▁stage ▁with ▁gain . ▁▁ ▁A ▁load ▁line ▁is ▁normally ▁drawn ▁on ▁I c - V ce ▁characteristics ▁curves ▁for ▁the ▁trans istor ▁used ▁in ▁an ▁ampl ifier ▁circuit . ▁The ▁same ▁technique ▁is ▁applied ▁to ▁other ▁types ▁of ▁non - linear ▁elements ▁such ▁as ▁vac u um ▁tub es ▁or ▁field ▁effect ▁trans ist ors . ▁ ▁References ▁ ▁Category : E lect rical ▁engineering <0x0A> </s> ▁Reb ol led o ▁may ▁refer ▁to : ▁ ▁Mar itza ▁Cam pos - R ebol led o , ▁author ▁of ▁College ▁Room ies ▁from ▁Hell !! !, ▁a ▁web com ic ▁strip ▁Luis ▁Reb ol led o ▁de ▁Pala fox ▁y ▁Mel ci , ▁ 1 st ▁marqu és ▁de ▁Laz án ▁( 1 7 7 2 – 1 8 4 3 ), ▁Arag on ese ▁officer ▁and ▁general ▁during ▁the ▁Spanish ▁War ▁of ▁Independ ence ▁Bernard ino ▁de ▁Reb ol led o ▁( 1 5 9 7 – 1 6 7 6 ), ▁Spanish ▁poet , ▁soldier ▁and ▁diplom at ▁Ern esto ▁Mart ens ▁Reb ol led o ▁( born ▁ 1 9 3 3 ), ▁Mexican ▁chemical ▁engineer , ▁Secretary ▁of ▁Energy ▁during ▁Vic ente ▁Fox ' s ▁government ▁Jonathan ▁Reb ol led o ▁( born ▁ 1 9 9 1 ), ▁Chile an ▁footballer ▁Juan ▁Williams ▁Reb ol led