∞ω”处，则表明______。a. 电容是好的 b.电容漏电 c.电容被击穿 d.电容内部引线已断1
chu ze biao ming ______ a. dian rong shi hao de b. dian rong lou dian c. dian rong bei ji chuan d. dian rong nei bu yin xian yi duan 1
b.阻抗c.周期d.初相位12.用万用表的欧姆挡检测电容好坏时，如表针立即向“0”偏转，然后回复到“
b. zu kang c. zhou qi d. chu xiang wei 12. yong wan yong biao de ou mu dang jian ce dian rong hao huai shi ru biao zhen li ji xiang 0 pian zhuan ran hou hui fu dao
损耗c．剩磁d．涡流和磁滞损耗11. 下列各项中，不属于交流电的三要素之一的是______。a.幅值
sun hao c sheng ci d wo liu he ci zhi sun hao 11. xia lie ge xiang zhong bu shu yu jiao liu dian de san yao su zhi yi de shi ______ a. fu zhi
d．磁滞性10.交流变压器铁心线圈通电流后，铁心发热的主要原因是______。a．涡流损耗b．磁滞
d ci zhi xing 10. jiao liu bian ya qi tie xin xian quan tong dian liu hou tie xin fa re de zhu yao yuan yin shi ______ a wo liu sun hao b ci zhi
，通常在线圈中要放有铁心，这是基于铁磁材料的_______特性。a．磁饱和性b．高导磁性c．良导电性
tong chang zai xian quan zhong yao fang you tie xin zhe shi ji yu tie ci cai liao de _______ te xing a ci bao he xing b gao dao ci xing c liang dao dian xing
b．加热灯丝c．限流d．产生自感电动势和限流9.对于各种电机．电器设备要求其线圈电流小而产生的磁通大
b jia re deng si c xian liu d chan sheng zi gan dian dong shi he xian liu 9. dui yu ge zhong dian ji dian qi she bei yao qiu qi xian quan dian liu xiao er chan sheng de ci tong da
螺旋关系8.日光灯在起动过程中，关于镇流器作用的描述最为全面的选项是______。a．产生自感电动势
luo xuan guan xi 8. ri guang deng zai qi dong guo cheng zhong guan yu zhen liu qi zuo yong de miao shu zui wei quan mian de xuan xiang shi ______ a chan sheng zi gan dian dong shi
参考方向一致手机充q币b. 与φ的参考方向相反c. 与φ的参考方向符合右手螺旋关系d. 与φ的参考方向符合左手
can kao fang xiang yi zhi shou ji chong q bi b. yu de can kao fang xiang xiang fan c. yu de can kao fang xiang fu he you shou luo xuan guan xi d. yu de can kao fang xiang fu he zuo shou
势，可用公式描述它们之间量和方向的关系，该式中的e的参考方向是这样规定的：______。a. 与φ的
shi ke yong gong shi miao shu ta men zhi jian liang he fang xiang de guan xi gai shi zhong de e de can kao fang xiang shi zhe yang gui ding de ______ a. yu de
___方向。a.电流b.磁力线c.手机充q币受力d.感生电流7.当变化的磁场穿过线圈，会在线圈两端引起感应电动
___ fang xiang a. dian liu b. ci li xian c. shou ji chong q bi shou li d. gan sheng dian liu 7. dang bian hua de ci chang chuan guo xian quan hui zai xian quan liang duan yin qi gan ying dian dong
。a. 右手定则 b.左手定则 c.右手螺旋定则d. 楞次定律6.左手定则中，拇指所指的方向是___
a. you shou ding ze b. zuo shou ding ze c. you shou luo xuan ding ze d. leng ci ding lv 6. zuo shou ding ze zhong mu zhi suo zhi de fang xiang shi ___
场b.电压c.磁通d.磁场5.电流通入线圈后将在线圈中产生磁场，其电流方向与磁场方向符合______
chang b. dian ya c. ci tong d. ci chang 5. dian liu tong ru xian quan hou jiang zai xian quan zhong chan sheng ci chang qi dian liu fang xiang yu ci chang fang xiang fu he ______
c.不同/反比手机充q币d.不同/正比4.磁感应强度是表示磁场内某点的______强弱和方向的物理量。a.电
c. bu tong / fan bi shou ji chong q bi d. bu tong / zheng bi 4. ci gan ying qiang du shi biao shi ci chang nei mou dian de ______ qiang ruo he fang xiang de wu li liang a. dian
的特征是电流______，各电阻分配的电压与其阻值成______。a. 相同/反比 b. 相同/正比
de te zheng shi dian liu ______ ge dian zu fen pei de dian ya yu qi zu zhi cheng ______ a. xiang tong / fan bi b. xiang tong / zheng bi
d.电压/伏特2.一段含源支手机充q币路如图，其电流i的表达式为______。a. b. c.d.3.电阻串联
d. dian ya / fu te 2. yi duan han yuan zhi shou ji chong q bi lu ru tu qi dian liu i de biao da shi wei ______ a. b. c.d.3. dian zu chuan lian
的电荷之多少的物理量，其国际标准单位是______。a. 电量/库仑 b.电流/安培 c.电量/安培
de dian he zhi duo shao de wu li liang qi guo ji biao zhun dan wei shi ______ a. dian liang / ku lun b. dian liu / an pei c. dian liang / an pei
在其相应位置上用2b铅笔涂黑。每题1分，手机充q币共100分。1.______是描述单位时间内通过导体某横截面
zai qi xiang ying wei zhi shang yong 2b qian bi tu hei mei ti 1 fen shou ji chong q bi gong 100 fen 1.______ shi miao shu dan wei shi jian nei tong guo dao ti mou heng jie mian
间为100分钟）答题说明：本试卷试题均为单项选择题，请选择一个最合适的答案，并将该答案按答题卡要求，
jian wei 100 fen zhong da ti shuo ming ben shi juan shi ti jun wei dan xiang xuan ze ti qing xuan ze yi ge zui he shi de da an bing jiang gai da an an da ti ka yao qiu
：852适用对象：750-3000kw船舶二/三管轮（本试卷卷面总分100分，及格手机充q币分为70分，考试时
852 shi yong dui xiang 750-3000kw chuan bo er / san guan lun ben shi juan juan mian zong fen 100 fen ji ge shou ji chong q bi fen wei 70 fen kao shi shi
中华人民共和国海事局2007年第1期海船船员适任证书全国统考试题(总第42期)科目：船舶电气试卷代号
zhong hua ren min gong he guo hai shi ju 2007 nian di 1 qi hai chuan chuan yuan shi ren zheng shu quan guo tong kao shi ti ( zong di 42 qi ) ke mu chuan bo dian qi shi juan dai hao