A、组合电路如图3-2，已知：VCC=9V，晶体管的VCES1=VCES2=1V，RL=8Ω
更多“D<sub>1</sub>、D<sub>2</sub>起何作用？”相关的问题
A、e<sub>1sub>c<sub>1sub>F<sub>1sub>＝e<sub>2sub>c<sub>2sub>F<sub>2sub> B、c<sub>1sub>F<sub>1sub>＝c<sub>2sub>F<sub>2sub> C、c<sub>1sub>/c<sub>2sub>＝F<sub>2sub>/F<sub>1sub> D、c<sub>1sub>/c<sub>2sub>＝F<sub>1sub>/F<sub>2sub>
A、 t<sub>2sub>/t<sub>1sub>=D<sub>12sub>/D<sub>22sub> B、 t<sub>1sub>/t<sub>2sub>=D<sub>12sub>/D<sub>22sub> C、 t<sub>2sub>/t<sub>1sub>=D<sub>1sub>/D<sub>2sub> D、 t<sub>1sub>/t<sub>2sub>=D<sub>1sub>/D<sub>2sub>
A、△H<sub>1sub>〈△H<sub>2sub>，W<sub>1sub>〉W<sub>2sub> B、△H<sub>1sub>〉△H<sub>2sub>，W<sub>1sub>〈W<sub>2sub> C、△H<sub>1sub>〈△H<sub>2sub>，W<sub>1sub>〈W<sub>2sub> D、△H<sub>1sub>〉△H<sub>2sub>，W<sub>1sub>〉W<sub>2sub>
A、△H<sub>1sub>〉△H<sub>2sub>，W<sub>1sub>〈W<sub>2sub> B、△H<sub>1sub>〈△H<sub>2sub>，W<sub>1sub>〉W<sub>2sub> C、△H<sub>1sub>=△H<sub>2sub>，W<sub>1sub>〈W<sub>2sub> D、△H<sub>1sub>=△H<sub>2sub>，W<sub>1sub>〉W<sub>2sub>
A、E<sub>1sub>〈E<sub>2sub>，A<sub>1sub>〈A<sub>2sub> B、E<sub>1sub>〈E<sub>2sub>，A<sub>1sub>〉A<sub>2sub> C、E<sub>1sub>〉E<sub>2sub>，A<sub>1sub>〈A<sub>2sub> D、E<sub>1sub>〉E<sub>2sub>，A<sub>1sub>〉A<sub>2sub>
A、d<sub>1sub>=m<sub>a1sub>q B、d<sub>1sub>=m<sub>nsub>q C、d<sub>1sub>=m<sub>a1sub>Z<sub>1sub> D、d<sub>1sub>=m<sub>nsub>Z<sub>1sub>
A、fy<sub>2sub>As<sub>2sub>≤fy<sub>2sub>As<sub>1sub> B、fy<sub>1sub>As<sub>2sub>≤fy<sub>1sub>As<sub>1sub> C、fy<sub>2sub>As<sub>2sub>≥fy<sub>1sub>As<sub>1sub> D、fy<sub>2sub>As<sub>1sub>≥fy<sub>2sub>As<sub>2sub>
A、（R<sub>1sub>+R<sub>2sub>）/R<sub>1sub>R<sub>2sub> B、R<sub>1sub>R<sub>2sub>/（R<sub>1sub>+R<sub>2sub>） C、R<sub>1sub>+R<sub>2sub> D、R<sub>1sub>R<sub>2sub>
A、U<sub>1sub>/U<sub>2sub>=N<sub>1sub>/N<sub>2sub> B、U<sub>1sub>/U<sub>2sub>=N<sub>2sub>/N<sub>1sub> C、N<sub>1sub>/N<sub>2sub>=I<sub>2sub>/I<sub>1sub> D、N<sub>1sub>/N<sub>2sub>=I<sub>1sub>/I<sub>2sub>
A、E<sub>1sub>
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