... tinỏpxoaychiuvohaiuonmchgmmtcundõymcnitipvimt tin.inỏphiudnggiahaiucundõybnggiỏtrinỏphiudnggiahaibnt in.Dũngintcthitrongonmchchmpha soviinỏptcthigiahaiucun dõy.Hscụngsutcaonmchl A.0,707 B.0,866 Gv:TrõnDiờu ... Mtonmchxoaychiugmcundõycúintr100 ,cmkhỏng100 ni tipvihpkớnX.Tithiimt1inỏptcthitrờncundõyccinthiimt2=t1+T/4 (viTlchukỡdũngin)inỏptcthitrờnhpkớncci.HpkớnXcúthl? A.Cuncmcúintrthun.B.Tinnitipviintrthun ... MchdaongLCangthchindaonginttdovichukT.Tithiim noúdũngintrongmchcúcng (mA) vangtng,sauúkhongthigian 3T / thỡin tớchtrờnbntcúln 2.109 C Chukdaongintcamchbng A. 0,5ms B. 0, 25ms C. 0,5à s D. 0, 25à s Cõu 32 TrongthớnghimIõngvgiaothoaỏnhsỏngtrngcúbcsúngt0,4...