13．如图所示的是一种测量磁感强度的简易装置虚线框内有垂直于纸面的匀强磁场矩形线圈匝数为nab=cd=l1 Bc=da=l2 当线框 Sketch Coloring Page

13．如图所示的是一种测量磁感强度的简易装置虚线框内有垂直于纸面的匀强磁场矩形线圈匝数为nab=cd=l1 Bc=da=l2 当线框 Template

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tomski13．如图所示的是一种测量磁感强度的简易装置虚线框内有垂直于纸面的匀强磁场矩形线圈匝数为nab=cd=l1 bc=da=l2 当线框 coloring

13．如图所示的是一种测量磁感强度的简易装置虚线框内有垂直于纸面的匀强磁场矩形线圈匝数为Nab=cd=L1 bc=da=L2 当线框 sketch template

13．如图所示的是一种测量磁感强度的简易装置虚线框内有垂直于纸面的匀强磁场矩形线圈匝数为Nab=cd=L1 bc=da=L2 当线框 sketch template

磁线圈的磁感线示意图磁线圈第8页大山谷图库 sketch template

环形磁感线条形磁铁磁感线第3页大山谷图库 sketch template

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小磁针受力磁场示意图小磁针的磁场示意图磁场小磁针第2页大山谷图库 sketch template

五种磁感线分布图五种磁感线示意图六种磁感线示意图 大山谷图库 sketch template

13．如图所示在磁感强度为B的匀强磁场中有半径为r的光�半圆形导体框架OC为一能绕O在框架上�动的导体棒OC之间连一个电阻R导体框架 sketch template

如图所示，在一磁感强度方�为沿z轴正方�的匀强磁场b中有一块微小的导体样品。当导体中通有沿x轴上学吧找答案 sketch template

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如图所示导体ab处于蹄形磁铁的磁场中下列哪种情况下电流表�生偏转A．导体ab�左运动或�上运动 B．导体ab�右运动或�下运动 C．导体 sketch template

如图所示根据通电螺线管的磁感线方�可判断通电螺线管左端为 极电源的a端为 极小磁针静止时的b端为 极 A 南正北B北负北 sketch template

如图所示，闭合开关后，两个通电螺线管中间的小磁针N极�下指。请你在括号内标出电源的“ ”或“﹣”极，并画出乙通电螺线管的绕线方法。百度教育 sketch template

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如图5所示A和B分别是两个阻值不同的电阻R1和R2的电流和电压关系图请判断两个电阻的大小关系为R1 R2选填“大于 “小于或“等于 sketch template

目前世界上正研究的一种新型�电机叫磁流体�电机如图所示表示它的�电原理将一束等离子体即高温下电离的气体含有大量带正电和负电的粒子而从 sketch template

如图2所示的电路中电源电压不变开关闭合后若�动变阻器的�片P�右端移动则 A电压表的示数和电流表的示数都增大 B电压表的示数和电流 sketch template

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某物理兴趣小组利用如图甲所示的装置进行验证动量守恒定律的实验．在足够大的水平平台上的A点放置一个光电门水平平台上A点右侧�擦很小可忽略不计 sketch template

25．在用打点计时器研究小车匀变速直线运动的实验中某同学打出了一条纸带如图所示已知打点计时器每隔002s打一个点他以O点为开始点以后 sketch template

如图所示为通电螺线管电流磁场方�及线圈绕�三者关系的判断方法示意图由图可知该线圈的电流方�是从a流�ba流�b．填“a 流�b 或“b sketch template

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