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发布时间:1714437522




Lastupdatedat10:00amon25thDecember2020

Resistor
Aresistorisatwo-terminalelectroniccomponentthatopposesanelectriccurrentbyproducingavoltagedropbetweenitsterminalsinproportiontothecurrent,thatis,inaccordancewithOhm’slaw:V=IR.TheelectricalresistanceRisequaltothevoltagedropVacrosstheresistordividedbythecurrentIthroughtheresistor.Resistorsareusedaspartofelectricalnetworksandelectroniccircuits.
译:电阻器是一个二端口电子元件,电阻是阻止电流流动,通过按比例产生其端子之间的电压降的电流,也就是说,根据欧姆定律:V=IR。电阻R等于电压降V除以通过电阻的电流I。电阻作为电子网络和电子电路的一部分。
Transistor
Inelectronics,atransistorisasemiconductordevicecommonlyusedtoamplifyorswitchelectronicsignals.Atransistorismadeofasolidpieceofasemiconductormaterial,withatleastthreeterminalsforconnectiontoanexternalcircuit.Avoltageorcurrentappliedtoonepairofthetransistor’sterminalschangesthecurrentflowingthroughanotherpairofterminals.Becausethecontrolledcurrentcanbemuchlargerthanthecontrollingcurrent,thetransistorprovidesamplificationofasignal.Thetransistoristhefundamentalbuildingblockofmodernelectronicdevices,andisusedinradio,telephone,computerandotherelectronicsystems.Sometransistorsarepackagedindividuallybutmostarefoundinintegratedcircuits.
译:在电子技术中,晶体管是一种,常用来放大或进行开关控制电子信号的半导体器。晶体管是由一块固体半导体材料制成的,且至少有三个终端与外部电路连接。电压或电流适

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