成考院校在线答案
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">18、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">串联谐振在<i style="mso-bidi-font-style: normal"><span lang="EN-US">L</span></i>和<i style="mso-bidi-font-style:normal"><span lang="EN-US">C</span></i>两端将出现过电压现象，因此也把串谐称为电压谐振。 （ <span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span>）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">19、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">三相负载作三角形连接时，线电流在数量上是相电流的<span lang="EN-US"><span style="position:relative;top:4.0pt;mso-text-raise:-4.0pt"> <!--[if gte vml 1]><v:shape id="对象_x0020_22" o:spid="_x0000_i1030" type="#_x0000_t75" style='width:18pt; height:18pt' o:ole=""> <v:imagedata src="DLYL25.files/image003.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="24" height="24" v:shapes="对象_x0020_22" src="http://wljy.whut.edu.cn:80/uploadfiles/word/DLYL25.files/image011.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="3" > <o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="对象_x0020_22" DrawAspect="Content" ObjectID="_1678082009"> </o:OLEObject> </xml><![endif]--></span>倍。<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-font-kerning:0pt">( ) <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal">20、<span style="font-size:12.0pt;font-family:黑体">在对称<span lang="EN-US">Y</span>—<span lang="EN-US">Y</span>三相电路归结为一相的计算电路中，连接中点<span lang="EN-US">N</span>—<span lang="EN-US">N</span>’的是短路线，与中线阻抗<span lang="EN-US">ZN</span>无关。<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" style="mso-pagination:widow-orphan"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-font-kerning:0pt">( <span style="mso-spacerun:yes"> </span>) <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">27、<span lang="EN-US" style="font-family:黑体"> <!--[if gte vml 1]><v:shape id="图片_x0020_162" o:spid="_x0000_i1043" type="#_x0000_t75" style='width:294pt;height:18.75pt'> <v:imagedata src="DLYL22.files/image036.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="392" height="25" v:shapes="图片_x0020_162" src="http://wljy.whut.edu.cn:80/uploadfiles/word/DLYL22.files/image037.jpg"> <!--[endif]--></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-font-kerning: 0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly; layout-grid-mode:char">36、<span style="font-family:黑体">两互感线圈的耦合系数<span lang="EN-US">K=</span>（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" style="mso-pagination:widow-orphan"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-font-kerning:0pt"> <o:p> </o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly; layout-grid-mode:char">35、<span lang="EN-US" style="font-family:黑体">314</span><span style="font-family:黑体">μ<span lang="EN-US">F</span>电容元件用在<span lang="EN-US">100Hz</span>的正弦交流电路中，所呈现的容抗值为（<span lang="EN-US"><span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span></span>）<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" style="mso-pagination:widow-orphan"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-font-kerning:0pt"> <o:p> </o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly">28、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">某对称三相电源绕组为<span lang="EN-US">Y</span>接，已知<span lang="EN-US"><span style="position:relative;top:3.0pt;mso-text-raise:-3.0pt"> <!--[if gte vml 1]><v:shape id="对象_x0020_112" o:spid="_x0000_i1052" type="#_x0000_t75" style='width:80.25pt; height:21.75pt;mso-position-horizontal-relative:page; mso-position-vertical-relative:page' o:ole=""> <v:imagedata src="DLYL21.files/image056.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="107" height="29" v:shapes="对象_x0020_112" src="http://wljy.whut.edu.cn:80/uploadfiles/word/DLYL21.files/image057.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="4" > <o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="对象_x0020_112" DrawAspect="Content" ObjectID="_1678081583"> </o:OLEObject> </xml><![endif]-->V</span>，当<i style="mso-bidi-font-style:normal"><span lang="EN-US">t</span></i><span lang="EN-US">=10s</span>时，三个线电压之和为（<span lang="EN-US"><span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span></span>）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly">25、<span style="font-size:12.0pt;font-family:黑体;mso-bidi-font-family:宋体">在<span lang="EN-US">RLC</span>并联电路中，已知总电流<span lang="EN-US"> I =10A</span>，电容支路<span lang="EN-US"> 1<sub>C</sub> =13 A</span>， 电感支路<span lang="EN-US">I<sub>L</sub>=7A </span>， 则电阻支路<span lang="EN-US">I</span></span><sub><span lang="EN-US" style="font-size:15.0pt;font-family:黑体;mso-bidi-font-family:宋体">R</span></sub><span style="font-size:12.0pt;font-family:黑体;mso-bidi-font-family:宋体">等于<span lang="EN-US">(<span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span>) </span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly">39、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">电容元件的正弦交流电路中，电压有效值不变，当频率增大时，电路中电流将（<span lang="EN-US"><span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span></span>）<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" style="mso-pagination:widow-orphan"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-font-kerning:0pt"> <o:p> </o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly; layout-grid-mode:char">26、<span style="mso-bidi-font-size:10.5pt;font-family: 黑体">电感、</span><span style="font-family:黑体">电容相串联的正弦交流电路，消耗的有功功率为（<span lang="EN-US"><span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span></span>）<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" style="mso-pagination:widow-orphan"><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;mso-font-kerning:0pt"> <o:p> </o:p></span></p>