成考院校在线答案
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2022-09-12
[单选] <p class="MsoNormal" style="line-height:16.0pt">37、<span style="font-family:黑体">在电阻元件的正弦交流电路中，伏安关系表示错误的是（<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="line-height:18.0pt;mso-line-height-rule:exactly"><span lang="EN-US" style="font-family:黑体"> <o:p> </o:p></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>
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2022-09-12
[单选] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly">30、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">三相四线制电路，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_116" o:spid="_x0000_i1055" type="#_x0000_t75" style='width:66.75pt; height:21.75pt' o:ole=""> <v:imagedata src="DLYL21.files/image062.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="89" height="29" v:shapes="对象_x0020_116" src="http://wljy.whut.edu.cn:80/uploadfiles/word/DLYL21.files/image063.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="4" > <o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="对象_x0020_116" DrawAspect="Content" ObjectID="_1678081586"> </o:OLEObject> </xml><![endif]-->A</span>，<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_117" o:spid="_x0000_i1056" type="#_x0000_t75" style='width:81.75pt;height:21.75pt' o:ole=""> <v:imagedata src="DLYL21.files/image064.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="109" height="29" v:shapes="对象_x0020_117" src="http://wljy.whut.edu.cn:80/uploadfiles/word/DLYL21.files/image065.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="4" > <o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="对象_x0020_117" DrawAspect="Content" ObjectID="_1678081587"> </o:OLEObject> </xml><![endif]-->A</span>，<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_118" o:spid="_x0000_i1057" type="#_x0000_t75" style='width:71.25pt;height:21.75pt' o:ole=""> <v:imagedata src="DLYL21.files/image066.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="95" height="29" v:shapes="对象_x0020_118" src="http://wljy.whut.edu.cn:80/uploadfiles/word/DLYL21.files/image067.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="4" > <o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="对象_x0020_118" DrawAspect="Content" ObjectID="_1678081589"> </o:OLEObject> </xml><![endif]-->A</span>，则中线电流<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_119" o:spid="_x0000_i1058" type="#_x0000_t75" style='width:15.75pt;height:21.75pt' o:ole=""> <v:imagedata src="DLYL21.files/image068.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="21" height="29" v:shapes="对象_x0020_119" src="http://wljy.whut.edu.cn:80/uploadfiles/word/DLYL21.files/image069.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="4" > <o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="对象_x0020_119" DrawAspect="Content" ObjectID="_1678081590"> </o:OLEObject> </xml><![endif]--></span>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>
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2022-09-12
[单选] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly; layout-grid-mode:char">33、<span style="font-family:黑体">如图所示电路，在开关<span lang="EN-US">S</span>断开时，电容<span lang="EN-US">C</span>两端的电压为（<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="line-height:18.0pt;mso-line-height-rule:exactly"><span lang="EN-US" style="font-family:黑体"> <o:p> </o:p></span></p> <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly"> <!--[if gte vml 1]><v:group id="组合_x0020_94" o:spid="_x0000_s1118" style='position:absolute;left:0; text-align:left;margin-left:115.2pt;margin-top:14.9pt;width:168.5pt; height:82.5pt;z-index:251654144' coordsize="3370,1650"> <v:rect id="矩形_x0020_95" o:spid="_x0000_s1119" style='position:absolute; left:172;width:2428;height:1320' filled="f"></v:rect> <v:shapetype id="_x0000_t202" coordsize="21600,21600" o:spt="202" path="m,l,21600r21600,l21600,xe"> <v:stroke joinstyle="miter"></v:stroke> <v:path gradientshapeok="t" o:connecttype="rect"></v:path> </v:shapetype><v:shape id="文本框_x0020_96" o:spid="_x0000_s1120" type="#_x0000_t202" style='position:absolute;left:1032;top:1410;width:828;height:240' filled="f" stroked="f"> <v:textbox inset="0,0,0,0"> <![if !mso]> <table _tmplitem="4" cellpadding=0 cellspacing=0 width="100%"> <tr _tmplitem="4" > <td _tmplitem="4" ><![endif]> <div _tmplitem="4" > <p _tmplitem="4" class=MsoNormal align=center style='text-align:center;line-height: 12.0pt;mso-line-height-rule:exactly'><span _tmplitem="4" style='font-size:9.0pt; mso-bidi-font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"'>图</span><span _tmplitem="4" lang=EN-US style='font-size:9.0pt;mso-bidi-font-size:12.0pt'>3.6<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:shape><v:shape id="文本框_x0020_97" o:spid="_x0000_s1121" type="#_x0000_t202" style='position:absolute;left:646;top:822;width:854;height:480' filled="f" stroked="f"> <v:textbox style='mso-fit-shape-to-text:t' inset="0,0,0,0"> <![if !mso]> <table _tmplitem="4" cellpadding=0 cellspacing=0 width="100%"> <tr _tmplitem="4" > <td _tmplitem="4" ><![endif]> <div _tmplitem="4" > <p _tmplitem="4" class=MsoNormal style='text-indent:10.5pt;mso-char-indent-count:1.0; line-height:12.0pt;mso-line-height-rule:exactly'><span _tmplitem="4" lang=EN-US>S</span></p> <p _tmplitem="4" class=MsoNormal style='text-indent:5.25pt;mso-char-indent-count:.5; line-height:12.0pt;mso-line-height-rule:exactly'><span _tmplitem="4" lang=EN-US>(t=0)</span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:shape><v:shape id="文本框_x0020_98" o:spid="_x0000_s1122" type="#_x0000_t202" style='position:absolute;left:1436;top:222;width:734;height:312' filled="f" stroked="f"> <v:textbox style='mso-fit-shape-to-text:t' inset="0,0,0,0"> <![if !mso]> <table _tmplitem="4" cellpadding=0 cellspacing=0 width="100%"> <tr _tmplitem="4" > <td _tmplitem="4" ><![endif]> <div _tmplitem="4" > <p _tmplitem="4" class=MsoNormal style='text-indent:5.25pt;mso-char-indent-count:.5'><span _tmplitem="4" lang=EN-US>10mH</span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:shape><v:oval id="椭圆_x0020_99" o:spid="_x0000_s1123" style='position:absolute; top:537;width:330;height:330' filled="f"></v:oval> <v:shape id="文本框_x0020_100" o:spid="_x0000_s1124" type="#_x0000_t202" style='position:absolute;left:134;top:372;width:780;height:720' filled="f" stroked="f"> <v:textbox style='mso-fit-shape-to-text:t' inset="0,0,0,0"> <![if !mso]> <table _tmplitem="4" cellpadding=0 cellspacing=0 width="100%"> <tr _tmplitem="4" > <td _tmplitem="4" ><![endif]> <div _tmplitem="4" > <p _tmplitem="4" class=MsoNormal style='text-indent:4.5pt;mso-char-indent-count:.5; line-height:12.0pt;mso-line-height-rule:exactly'><span _tmplitem="4" style='font-size: 9.0pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"'>＋</span><span _tmplitem="4" lang=EN-US style='font-size:9.0pt'><o:p></o:p></span></p> <p _tmplitem="4" class=MsoNormal style='text-indent:10.5pt;mso-char-indent-count:1.0; line-height:12.0pt;mso-line-height-rule:exactly'><span _tmplitem="4" lang=EN-US>10V</span></p> <p _tmplitem="4" class=MsoNormal style='text-indent:4.5pt;mso-char-indent-count:.5; line-height:12.0pt;mso-line-height-rule:exactly'><span _tmplitem="4" style='font-size: 9.0pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"'>－</span><span _tmplitem="4" lang=EN-US style='font-size:9.0pt'><o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:shape><v:shape id="文本框_x0020_101" o:spid="_x0000_s1125" type="#_x0000_t202" style='position:absolute;left:1500;top:807;width:434;height:312' filled="f" stroked="f"> <v:textbox style='mso-fit-shape-to-text:t' inset="0,0,0,0"> <![if !mso]> <table _tmplitem="4" cellpadding=0 cellspacing=0 width="100%"> <tr _tmplitem="4" > <td _tmplitem="4" ><![endif]> <div _tmplitem="4" > <p _tmplitem="4" class=MsoNormal style='text-indent:5.25pt;mso-char-indent-count:.5'><span _tmplitem="4" lang=EN-US>5</span><span _tmplitem="4" style='font-family:宋体'>Ω</span><sub _tmplitem="4" ><span _tmplitem="4" lang=EN-US><o:p></o:p></span></sub></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:shape><v:shape id="文本框_x0020_102" o:spid="_x0000_s1126" type="#_x0000_t202" style='position:absolute;left:2680;top:372;width:690;height:327' filled="f" stroked="f"> <v:textbox inset="0,0,0,0"> <![if !mso]> <table _tmplitem="4" cellpadding=0 cellspacing=0 width="100%"> <tr _tmplitem="4" > <td _tmplitem="4" ><![endif]> <div _tmplitem="4" > <p _tmplitem="4" class=MsoNormal style='text-indent:5.25pt;mso-char-indent-count:.5'><span _tmplitem="4" lang=EN-US>10μF</span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:shape><v:line id="直线_x0020_103" o:spid="_x0000_s1127" style='position:absolute' from="2477,513" to="2746,513" strokeweight="1.5pt"></v:line> <v:line id="直线_x0020_104" o:spid="_x0000_s1128" style='position:absolute' from="2476,606" to="2745,606" strokeweight="1.5pt"></v:line> <v:rect id="矩形_x0020_105" o:spid="_x0000_s1129" style='position:absolute; left:2477;top:524;width:223;height:67' stroked="f"></v:rect> <v:rect id="矩形_x0020_106" o:spid="_x0000_s1130" style='position:absolute; left:516;top:1287;width:360;height:60' stroked="f"></v:rect> <v:group id="组合_x0020_107" o:spid="_x0000_s1131" style='position:absolute; left:516;top:957;width:328;height:495;rotation:-90' coordsize="328,495"> <v:line id="直线_x0020_108" o:spid="_x0000_s1132" style='position:absolute; flip:y' from="54,0" to="236,315" strokeweight="1pt"></v:line> <v:line id="直线_x0020_109" o:spid="_x0000_s1133" style='position:absolute' from="44,90" to="254,90"></v:line> <v:line id="直线_x0020_110" o:spid="_x0000_s1134" style='position:absolute' from="44,300" to="44,495"></v:line> <v:oval id="椭圆_x0020_111" o:spid="_x0000_s1135" style='position:absolute; left:26;top:288;width:60;height:45'></v:oval> <v:shape id="未知" o:spid="_x0000_s1136" style='position:absolute;top:135; width:328;height:195' coordsize="314,105" path="m,15c71,7,142,,194,15v52,15,86,52,120,90e" filled="f"> <v:stroke endarrow="block"></v:stroke> <v:path arrowok="t"></v:path> </v:shape></v:group><v:line id="直线_x0020_113" o:spid="_x0000_s1137" style='position:absolute;flip:y' from="1476,12" to="1476,1317"> <v:stroke startarrow="oval" startarrowwidth="narrow" startarrowlength="short" endarrow="oval" endarrowwidth="narrow" endarrowlength="short"></v:stroke> </v:line><v:rect id="矩形_x0020_114" o:spid="_x0000_s1138" style='position:absolute; left:1372;top:777;width:180;height:345'></v:rect> <v:group id="组合_x0020_115" o:spid="_x0000_s1139" style='position:absolute; left:1420;top:141;width:122;height:423' coordsize="226,738"> <v:oval id="椭圆_x0020_116" o:spid="_x0000_s1140" style='position:absolute; left:7;top:20;width:219;height:179'></v:oval> <v:oval id="椭圆_x0020_117" o:spid="_x0000_s1141" style='position:absolute; left:7;top:199;width:219;height:178'></v:oval> <v:oval id="椭圆_x0020_118" o:spid="_x0000_s1142" style='position:absolute; left:7;top:377;width:219;height:179'></v:oval> <v:oval id="椭圆_x0020_119" o:spid="_x0000_s1143" style='position:absolute; left:3;top:553;width:220;height:178'></v:oval> <v:rect id="矩形_x0020_120" o:spid="_x0000_s1144" style='position:absolute; width:98;height:738' stroked="f"></v:rect> </v:group><w:wrap type="square"></w:wrap> </v:group><![endif]--> <!--[if !vml]--><img width="227" height="116" align="left" v:shapes="组合_x0020_94 矩形_x0020_95 文本框_x0020_96 文本框_x0020_97 文本框_x0020_98 椭圆_x0020_99 文本框_x0020_100 文本框_x0020_101 文本框_x0020_102 直线_x0020_103 直线_x0020_104 矩形_x0020_105 矩形_x0020_106 组合_x0020_107 直线_x0020_108 直线_x0020_109 直线_x0020_110 椭圆_x0020_111 未知 直线_x0020_113 矩形_x0020_114 组合_x0020_115 椭圆_x0020_116 椭圆_x0020_117 椭圆_x0020_118 椭圆_x0020_119 矩形_x0020_120" src="http://wljy.whut.edu.cn:80/uploadfiles/word/DLYL22.files/image001.png"> <!--[endif]--><span lang="EN-US" style="font-family:黑体"> <o:p></o:p></span></p> <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly"><span lang="EN-US" style="font-family:黑体"> <o:p> </o:p></span></p> <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly"><span lang="EN-US" style="font-family:黑体"> <o:p> </o:p></span></p> <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly"><span lang="EN-US" style="font-family:黑体"> <o:p> </o:p></span></p> <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly"><span lang="EN-US" style="font-family:黑体"> <o:p> </o:p></span></p> <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly"><span lang="EN-US" style="font-family:黑体"> <o:p> </o:p></span></p> <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly"><span lang="EN-US" style="font-family:黑体"> <o:p> </o:p></span></p>
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2022-09-12
[单选] <p class="MsoNormal" style="line-height:18.0pt;mso-line-height-rule:exactly">33、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">电阻电感相串联的正弦交流电路中，复阻抗<span lang="EN-US">Z=<u> <span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span></u></span>；电阻电容相串联的正弦交流电路中，复阻抗<span lang="EN-US">Z=<u> <span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span><sub><span style="mso-spacerun:yes"> </span></sub></u></span>。<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>（<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>
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2022-09-12
[判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">17、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">几个复阻抗相加时，它们的和增大；几个复阻抗相减时，其差减小。<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>（ <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>
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2022-09-12
[判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">3、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">三相四线制电路无论对称与不对称，都可以用二瓦计法测量三相功率。</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>
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2022-09-12
[判断] <p class="MsoNormal">13、<span style="mso-spacerun:'yes'; font-family:Microsoft Yahei; font-size:12.0000pt; mso-font-kerning:1.0000pt; ">利用网络函数的极点和零点在复平面上的分布情况，可以预言网络的时域响应特性和正弦稳态响应的变化规律。</span><span style="font-family:Microsoft Yahei; font-size:12.0000pt; mso-font-kerning:1.0000pt; "> <o:p></o:p></span></p>
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2022-09-12
[判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">6、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">三相四线制电路无论对称与否，都可以用三瓦计法测量三相总有功功率。 </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>
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2022-09-12
[判断] <p class="MsoNormal">8、<span style="mso-spacerun:'yes'; font-family:Microsoft Yahei; font-size:12.0000pt; mso-font-kerning:1.0000pt; ">将对称三角形连接的负载阻抗</span><span style="font-family:Microsoft Yahei; font-size:12.0000pt; mso-font-kerning:1.0000pt; "><img width="16" height="18" src="http://wljy.whut.edu.cn//uploadfiles/word/dlylx06.files/dlylx062810.png"></span>变换为星形连接的阻抗<span style="font-family:Microsoft Yahei; font-size:12.0000pt; mso-font-kerning:1.0000pt; "><img width="22" height="22" src="http://wljy.whut.edu.cn//uploadfiles/word/dlylx06.files/dlylx062843.png"></span>时，它们之间的关系为<span style="font-family:Microsoft Yahei; font-size:12.0000pt; mso-font-kerning:1.0000pt; "><img width="63" height="42" src="http://wljy.whut.edu.cn//uploadfiles/word/dlylx06.files/dlylx062876.png"></span>。<span style="font-family:Microsoft Yahei; font-size:12.0000pt; mso-font-kerning:1.0000pt; "> <o:p></o:p></span></p>
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2022-09-12
[判断] <p class="MsoNormal">10、<span style="mso-spacerun:'yes'; font-family:Microsoft Yahei; font-size:12.0000pt; mso-font-kerning:1.0000pt; ">在非正弦周期电流电路中，电阻、感抗和容抗随着电源频率的不同都要发生变化。</span><span style="font-family:Microsoft Yahei; font-size:12.0000pt; mso-font-kerning:1.0000pt; "> <o:p></o:p></span></p>
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