uu#uwPuUuuw ¡{\ruwP+F\r(3)uw70R2P,Uuu+uwSR2¢P£u+\rUuu+ ¡{V#uPuUU=IRVR(\rPuwUuuwuw\r\r<YZ?Y.(1)?Au+7uuw{|u+RiPuw,\r{p#u+RiPu.h=¦=§y=0.045A,\rK21UUJZ\ru£uw«¬®=uw¯S]u+R2Puw.U2=U-U1=12V-4.5V\r=7.5V,\r{p#u+R2Pu.12=±==0.05A.\rAoIOUJZ\r(2)u²u«¬³u¯S]#uwPu.Iv=l2-h=0.05A\r-0.045A=0.005A,EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\ru³uwµ«{puwP+.Rv=*=·1=90 F\r1yU.UU3/1\r(3)uw70R2PuwSR2¢P£u+.R¹=º»=\rAy-rA2\r9000x150?_900\r900C+150?=7½¾\rVuP£u+.R=Ri+R=100?+¿?=À^0,\rV#uPu.1=/=Â^=0Q525A,\rVRiPuw.Ui,=IRi=0.0525Axl00Q=5.25V,\r]uw\r.Uv=U-Ui'=12V-5.25V=6.75Vo\rZ.(1)#u+R2Pu12 0.05AF\r(2)uwP+Rv 900CF\r(3)\nuw70R2P]uw\rUv 6.75V?