成考院校在线答案
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">4、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"">叠加定理并不要求每次只有一个独立源作用，可以考虑任意多个独立源的同时作用。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt">( ) <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">10、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"">实用中的任何一个两孔插座对外都可视为一个有源二端网络。</span><span style="mso-bidi-font-size:10.5pt;mso-hansi-font-family:宋体"> </span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt">( ) <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">3、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"">诺顿等效电阻等于戴维南等效电阻。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-hansi-font-family:宋体"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;mso-font-kerning:0pt">( ) <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">1、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"">换路定律指出：电容两端的电流是不能发生跃变的，只能连续变化。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt">( ) <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">7、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"">单位阶跃函数除了在</span><i style="mso-bidi-font-style:normal"><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;mso-hansi-font-family:宋体">t</span></i><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-hansi-font-family:宋体">=0</span><span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"">处不连续，其余都是连续的。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt">( ) <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal">20、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman"">理想电压源不可能吸收功率。</span><span style="mso-bidi-font-size:10.5pt;mso-hansi-font-family:宋体"> <span lang="EN-US"><span style="mso-spacerun:yes"> </span></span></span><span style="font-size:12.0pt; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">（</span><span lang="EN-US" style="font-size:12.0pt"><span style="mso-spacerun:yes"> </span></span><span style="font-size:12.0pt; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">）</span></p>
- 2022-09-12 [单选] <p class="MsoNormal">30、 <span style="font-family:Microsoft Yahei;">图中各电压表指示有效值，则电压表</span><span>V3</span><span style="font-family:Microsoft Yahei;">的读数应为（</span><span><span> </span></span><span style="font-family:Microsoft Yahei;">）。</span></p><p class="MsoNormal"> <span> <img width="177" height="167" src="http://wljy.whut.edu.cn:80/uploadfiles/word/dlll1002.files/image044.png"> </span><span style="font-size:12.0pt;"> </span></p>
- 2022-09-12 [单选] <p class="MsoNormal">38、 <span style="font-family:Microsoft Yahei;">一电阻</span><span>R</span><span style="font-family:Microsoft Yahei;">上</span><span>u</span><span style="font-family:Microsoft Yahei;">、</span><span>i</span><span style="font-family:Microsoft Yahei;">参考方向一致，令</span><span>u=10V</span><span style="font-family:Microsoft Yahei;">，消耗功率为</span><span>0.5W</span><span style="font-family:Microsoft Yahei;">，则电阻</span><span>R</span><span style="font-family:Microsoft Yahei;">为（</span><span><span> </span></span><span style="font-family:Microsoft Yahei;">）。</span> </p><p class="MsoNormal"> <span style="font-size:12.0pt;"> </span> </p>
- 2022-09-12 [单选] <p class="MsoNormal">35、 <span style="font-family:Microsoft Yahei;">电源电动势</span><span>E=6V</span><span style="font-family:Microsoft Yahei;">，内阻</span><span>R<sub>0</sub>=3</span><span style="font-family:Microsoft Yahei;">Ω，当负载获得最大功率时，负载电阻</span><span>R</span><span style="font-family:Microsoft Yahei;">为（</span><span><span> </span></span><span style="font-family:Microsoft Yahei;">）。</span></p><p class="MsoNormal"> <span style="font-size:12.0pt;"> </span></p>
- 2022-09-12 [单选] <p class="MsoNormal">27、 <span><span><span style="font-family:Microsoft Yahei;">电阻与电感元件并联，它们的电流有效值分别为</span><span>3A</span></span></span><span><span><span style="font-family:Microsoft Yahei;">和</span><span>4A</span></span></span><span><span><span style="font-family:Microsoft Yahei;">，则它们总的电流有效值为（</span><span><span> </span></span></span></span><span><span><span style="font-family:Microsoft Yahei;">）。</span></span></span> </p><span><span></span></span> <p class="MsoNormal"> <span><span><span style="font-size:12.0pt;"> </span></span></span> </p>