英语选择33333which of the following practice can increase the electromagnet A.larger increase in currentB.nailsC.increase in coil

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/07 20:36:27

英语选择33333which of the following practice can increase the electromagnet A.larger increase in currentB.nailsC.increase in coil
英语选择33333
which of the following practice can increase the electromagnet
A.larger increase in current
B.nails
C.increase in coil

英语选择33333which of the following practice can increase the electromagnet A.larger increase in currentB.nailsC.increase in coil
这题感觉更像是物理题额
题目问的是下面哪种方法可以增强电磁铁的磁性
A是增大电流
B铁钉
C增加线圈匝数
根据物理学知识
影响电磁场的因素:电流的强度,线圈匝数,铁心的材质以及大小.增大磁性,可以增大电流,增加线圈匝数,增加铁心体积(用大一点的钉子就可以了).
B不够具体,所以选A和C吧

英语选择33333which of the following practice can increase the electromagnet A.larger increase in currentB.nailsC.increase in coil 英语选择( )On the Changbai mountaintop ———Lake Tianchi,which attracts lots of visitors every 英语选择( )On the Changbai mountaintop ———Lake Tianchi,which attracts lots of visitors every year.Alying Blies 高二英语选择green forms of energy are ---- we need to slow global warming.what which that how which one?& reason ,thanks Years in which you participated 9th 10th 11th 12thYears in which you participated 上面四项都可以选择那这里的9th 10th 11th 12th代表什么呢这和我参加的活动有什么关系 Which/that的选择 The death of the leader of the band (which/that)performed badly. _______the morning of my 12th birthday选择:A,in B,on C,At D,from dominant 这学期选择的音乐课,书上说Melody is the broad term for the dominant line of music in a work,some of which are also called tunes.It includes things like the dominant line of music in beethoven's 5th symphony as well as the dominant 英语高手帮忙翻译文章,急~The environment in which human beings exist is chemically complex.No part of that environment,however,is as chemically complex as the food and beverages humans routinely consume.The human diet includes substances th ■学英语不能三天打鱼两天晒网It is fact__________that weather of north China is different from that of south China.A.which B.that请选择,请回答什么时候用which,什么时候用that, 英语方面的.速度回答on the morning of 3th May还是in the morning of 3th May 请帮我修改一篇英语小作文~There are many photos of photo competition.Let me show one of them for you,a collection of photos called The Many Faces of Our City which feature Beijing by three pupils.It includes photos of different parts of th 英语选择16some colonies of bryozoans,small marine animals,form------with trailing stems.A creeping coloniesB which colonies creepC creeping colonies areD colonies creep为什么选A 英语选择:This king of plant can grow best __it is warm and rains often.A in the place B where C that D in which 初三奥林匹克英语选择填空题1.we talked fokr hours of things and persons ___we remember in the school .(为什么填上that而不用which)?2. 英语选择,charlie chaplin,( )began acting at the age of five,led a very hard life.A.whom B.who C.which D.that 一道高二英语选择We have fifty students in our class,28 of( )are girl students.A who B whom C them D which答案是whom the book,()are truth stories about great scientists of 20th,is worth readingin which of which 怎样判断呢, 填上英语字母,使每一横行都组成单词()()()th()()()()th()()()()th()()()()()th()()()th()()th()