[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fhpHSXG231FSz7lpGKyP7VJCkmxehk8J8NreX6QhGMPw":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":29,"type":30},[],"2023-05-09 03:12:13",85109570,[8,9,10,11],"positive half cycle of the input waveform","negative half cycle of the input waveform","entire input waveform","The diode will block all current and there will be no current flowing through the load",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000007477","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F99a8d708a9428abb81c2d2774c8854dc.png","模拟电子技术基础（西安邮电大学）","30115390","模拟电子技术基础（西安邮电大学）教程考试","The current flows through the load resistor in this circuit during the ( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F485139ff6dd16d5bbe4077689d57b634.png\">",[20,31,39,48,51,59,68,77,85,94],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],85109524,[24,25,26,27],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe3852dc8c2235abd2492b705e7efba87.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa6225d98a1a07c81b5cc5ae9b2a980a4.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa323fb3f2311ef0d03370e7a224b27f8.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa5c3da429d17ad113a9947adf0d849db.png\">","The input impedance for a common-emitter configuration can be expressed as ( )","v2",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":38,"source":29,"type":30},[],85109527,[35,36,37],"base voltage","emitter resistor","collector resistor","A(n) ( ) is added to the fixed-bias configuration to improve bias stability",{"answer":40,"createTime":5,"id":41,"options":42,"question":47,"source":29,"type":30},[],85109534,[43,44,45,46],"conducts through 360° of the input waveform","conducts through 180° of the input waveform","conducts between 180° and 360° degrees of the input waveform, depending on the amount of dc bias","conducts through less than 180° of the input waveform","A class A amplifier ( )",{"answer":49,"createTime":5,"id":6,"options":50,"question":18,"source":29,"type":30},[],[8,9,10,11],{"answer":52,"createTime":5,"id":53,"options":54,"question":58,"source":29,"type":30},[],85109580,[55,56,57],"89.0 mA","89.0 μA","0.119 mA","Calculate the base current for this emitter-stabilized bias circuit.( )\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3110fe5ce63694b2345d2cb46cfda8c7.png\">",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":29,"type":30},[],85109582,[63,64,65,66],"1 : 1","2 : 1","1: 2","Cannot be done in theory. It can be done in practice by making \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F291ac355ae25638ca6a22af7b597d84f.png\"> much larger than \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2efc7145528f8ea6b2270794461a2b63.png\">","If this circuit is to have an inverting voltage gain of 1, the ratio of \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F905d2d5be538dfc9e50a5d8e643212a0.png\"> : \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F07d59bf0d70ee75f1c140b5ab5e22475.png\"> should be ( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8d6bdf31219fb86c8fdc071b3f9b94fd.png\">",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":29,"type":30},[],85109589,[72,73,74,75],"saturation region","active region","cutoff region","passive region","When a BJT has its base-emitter junction reverse biased and its base-collector junction forward biased, it is biased in the ( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":84,"source":29,"type":30},[],85109608,[81,82,83],"10 to about 10,000","a hundred to about a million","just a little less than 1 to a few hundred","Depending on the configuration of the amplifier, the magnitude of the no-load voltage gain for a single BJT transistor amplifier typically ranges from ( )",{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":29,"type":30},[],85109620,[89,90,91,92],"differentiator","integrator","two-input multiplier","subtractor","This is a basic ( ) circuit. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffa4eaadfbe5e40b2ffcf845e7ccce614.png\">",{"answer":95,"createTime":5,"id":96,"options":97,"question":102,"source":29,"type":30},[],85109688,[98,99,100,101],"the reverse-biased","the forward-biased","both reverse- and forward-biased","zero-biased","When tested with an ohmmeter, a diode should have a relatively small resistance for ( ) condition"]