返回

资料详情(天天资源网)

天天资源网 / 中小学试题 / 中学物理试题 / 初三下册物理试题 / 单元测验 / 2009中考专题复习九:简单电路

还剩 3 页未读,点击继续阅读

继续阅读

点击预览全文

点击下载高清阅读全文,WORD格式文档可编辑

收藏
立即下载
有任何问题请联系天天官方客服QQ:403074932

资料简介

#TRS_AUTOADD_1211856202314 { MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px } #TRS_AUTOADD_1211856202314 P { MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px } #TRS_AUTOADD_1211856202314 TD { MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px } #TRS_AUTOADD_1211856202314 DIV { MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px } #TRS_AUTOADD_1211856202314 LI { MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px } /**---JSON-- {"":{"margin-top":"0","margin-bottom":"0"},"p":{"margin-top":"0","margin-bottom":"0"},"td":{"margin-top":"0","margin-bottom":"0"},"div":{"margin-top":"0","margin-bottom":"0"},"li":{"margin-top":"0","margin-bottom":"0"}} --**/ DIV.MyFav_1210819766750 P.MsoNormal{TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt; COLOR: windowtext; FONT-FAMILY: "Times New Roman"; TEXT-ALIGN: justify}DIV.MyFav_1210819766750 LI.MsoNormal{TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt; COLOR: windowtext; FONT-FAMILY: "Times New Roman"; TEXT-ALIGN: justify}DIV.MyFav_1210819766750 DIV.MsoNormal{TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt; COLOR: windowtext; FONT-FAMILY: "Times New Roman"; TEXT-ALIGN: justify}DIV.MyFav_1210819766750 H4{FONT-WEIGHT: normal; TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 48pt; MARGIN: 0cm 0cm 0pt; COLOR: windowtext; FONT-FAMILY: "Times New Roman"; TEXT-ALIGN: justify}DIV.MyFav_1210819766750 H6{FONT-WEIGHT: bold; FONT-SIZE: 12pt; MARGIN: 0cm 0cm 0pt; COLOR: windowtext; FONT-FAMILY: 黑体; TEXT-ALIGN: center}DIV.MyFav_1210819766750 P.MsoNormalIndent{TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt; COLOR: windowtext; TEXT-INDENT: 21pt; FONT-FAMILY: "Times New Roman"; TEXT-ALIGN: justify}DIV.MyFav_1210819766750 LI.MsoNormalIndent{TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt; COLOR: windowtext; TEXT-INDENT: 21pt; FONT-FAMILY: "Times New Roman"; TEXT-ALIGN: justify}DIV.MyFav_1210819766750 DIV.MsoNormalIndent{TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt; COLOR: windowtext; TEXT-INDENT: 21pt; FONT-FAMILY: "Times New Roman"; TEXT-ALIGN: justify}DIV.MyFav_1210819766750 P.MsoHeader{BORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; FONT-SIZE: 9pt; PADDING-BOTTOM: 0cm; MARGIN: 0cm 0cm 0pt; BORDER-LEFT: medium none; LAYOUT-GRID-MODE: char; COLOR: windowtext; PADDING-TOP: 0cm; BORDER-BOTTOM: medium none; FONT-FAMILY: "Times New Roman"; TEXT-ALIGN: center}DIV.MyFav_1210819766750 LI.MsoHeader{BORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; FONT-SIZE: 9pt; PADDING-BOTTOM: 0cm; MARGIN: 0cm 0cm 0pt; BORDER-LEFT: medium none; LAYOUT-GRID-MODE: char; COLOR: windowtext; PADDING-TOP: 0cm; BORDER-BOTTOM: medium none; FONT-FAMILY: "Times New Roman"; TEXT-ALIGN: center}DIV.MyFav_1210819766750 DIV.MsoHeader{BORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; FONT-SIZE: 9pt; PADDING-BOTTOM: 0cm; MARGIN: 0cm 0cm 0pt; BORDER-LEFT: medium none; LAYOUT-GRID-MODE: char; COLOR: windowtext; PADDING-TOP: 0cm; BORDER-BOTTOM: medium none; FONT-FAMILY: "Times New Roman"; TEXT-ALIGN: center}DIV.MyFav_1210819766750 P.MsoFooter{FONT-SIZE: 9pt; MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; COLOR: windowtext; FONT-FAMILY: "Times New Roman"}DIV.MyFav_1210819766750 LI.MsoFooter{FONT-SIZE: 9pt; MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; COLOR: windowtext; FONT-FAMILY: "Times New Roman"}DIV.MyFav_1210819766750 DIV.MsoFooter{FONT-SIZE: 9pt; MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; COLOR: windowtext; FONT-FAMILY: "Times New Roman"}DIV.MyFav_1210819766750 P.MsoPlainText{TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt; COLOR: windowtext; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV.MyFav_1210819766750 LI.MsoPlainText{TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt; COLOR: windowtext; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV.MyFav_1210819766750 DIV.MsoPlainText{TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt; COLOR: windowtext; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV.MyFav_1210819766750 P{FONT-SIZE: 12pt; MARGIN-LEFT: 0cm; COLOR: black; MARGIN-RIGHT: 0cm; FONT-FAMILY: 宋体}DIV.MyFav_1210819766750 P.a{TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt 19.5pt; COLOR: windowtext; TEXT-INDENT: -19.5pt; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV.MyFav_1210819766750 LI.a{TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt 19.5pt; COLOR: windowtext; TEXT-INDENT: -19.5pt; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV.MyFav_1210819766750 DIV.a{TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; MARGIN: 0cm 0cm 0pt 19.5pt; COLOR: windowtext; TEXT-INDENT: -19.5pt; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV.MyFav_1210819766750 DIV.Section1{page: Section1}DIV.MyFav_1210819766750 OL{MARGIN-BOTTOM: 0cm}DIV.MyFav_1210819766750 UL{MARGIN-BOTTOM: 0cm}   一、选择题(选择一个正确答案,共15题,每题2分,计30分)     1.如图1所示的四个电路图中,与左边的实物图对应的是(    )   图1     2.如图2所示的电路图中,开关S闭合后仅有L2灯能亮的是图(    )   图2     3.如图3所示的电路中,甲、乙、丙是三只相同的小灯泡,则(    )       A.S1断开,S2闭合时,丙灯不亮,甲、乙亮     B.S1、S2都闭合时,甲、乙、丙都亮     C.S1闭合、S2断开时,甲不亮,乙、丙亮     D.S1、S2都断开时,乙、丙不亮,甲亮     4.如图4所示,要使灯L1和L4串联,则关于1、2、3、4四个接线柱的连接,正确的是(    )   图4     A.只需连接1和2     B.只需连接2和3     C.只需连接3和4     D.只需连接1和3     5.如图所示,为了使灯泡L1与L2串联接在电源上,下列做法中可行的是(    )       A.只闭合S1     B.只闭合S2     C.只闭合S3     D.只闭合S1 和S3     6.如图5所示,两个灯泡始终完好,当开关S断开时,两个灯泡都发光,当开关S闭合时,可能出现的现象是(    )     A.L1不亮,L2亮     B.L1和L2都亮;     C.L2不亮,L1亮     D.L1和L2都不亮。     7.一个学生使用电流表的时候,本应使用“-”和“3”两个接线柱,但误将“-”和“0.6”两个接线柱接入电路,而电流还是从“0.6”接线柱流进,从“-”接线柱流出,这样做的结果是(    )     A.电流表的指针转过的角度变小了     B.电流表的指针不动     C.电流表的指针转过的角度变大了,电流表可能损坏     D.电流表的指针反向转动     8.教室里有4盏电灯,去掉其中任意一盏灯泡,另外三盏电灯都能继续发光,则这4盏灯(    )     A.一定是串联     B.一定是并联     C.可能是串联,也可能是并联     D.无法判断     9.甲、乙两个办公室为了互相传呼方便,在两个办公室各装了一个电铃,要使两个办公室的任何一方按开关都能使对方的电铃发声,正确的电路图是(图6中的虚线表示房间的墙壁)(   )       10.如图7示,当开关S闭合时,关于三只测量电路中电流表示数,正确的是(  )   图7     A.A1表的示数最大     B.A2表的示数最大     C.A3表的示数最大     D.三只都要被损坏     11.如图8所示的电路中,三只不同灯泡,合上开关S后正常工作。三只电流表A1、A2、A3的示数分别为I1、I2、I3,则这三只电流表示数间的关系是(    )   图8     A.I1=I2+I3     B.I2=I1—I3     C.I1>I2>I3     D.I1 查看更多

Copyright 2004-2019 ttzyw.com All Rights Reserved 闽ICP备18023965号-4

天天资源网声明:本站点发布的文章作品均来自用户投稿或网络整理,部分作品未联系到知识产权人或未发现有相关的知识产权登记

全屏阅读
关闭