如图所示a为螺线管b为悬挂在弹簧测力计下的条形磁铁当开关s断开时弹簧测力计的示数将电流表的示数将 ——青夏教育精英家教�—— Sketch Coloring Page

如图所示a为螺线管b为悬挂在弹簧测力计下的条形磁铁当开关s断开时弹簧测力计的示数将电流表的示数将 ——青夏教育精英家教�—— Template

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anonymous

anonymous
sketch #4300 República, comunismo, libertad

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anonymous
sketch #3683 Hellboy by Loai Issa

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anonymous
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anonymous

anonymous
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anonymous

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tomski如图所示a为螺线管b为悬挂在弹簧测力计下的条形磁铁当开关s断开时弹簧测力计的示数将电流表的示数将 ——青夏教育精英家教�—— coloring

如图所示套在光�玻璃管上的两个轻质螺线管AB通电后互相排斥试画出B螺线管的绕线方�．题目和参考答案——青夏教育精英家教�—— sketch template

中考物理考点解读：通电螺线管的磁场知乎 sketch template

中考物理考点解读：通电螺线管的磁场知乎 sketch template

中考物理考点解读：通电螺线管的磁场知乎 sketch template

中考物理考点解读：通电螺线管的磁场知乎 sketch template

中考物理考点解读：通电螺线管的磁场知乎 sketch template

通电螺线管要点解读知乎 sketch template

如图甲所示，匝数为n、总电阻为r、横截面积为S的竖直螺线管与两足够长的固定平行光�导轨相连，导轨间距为L，倾角为。导轨间有磁感应强度大小为 sketch template

如图所示，通电螺线管形成的磁场中有两个小磁铁A和B，其中B有一半在螺线管内部，一半在外部，则它们受力的方�分别为（） A �左，�左 B sketch template

如图所示A为螺线管B为悬挂在弹簧测力计下的条形磁铁当开关S断开时弹簧测力计的示数将 电流表的示数将 ——青夏教育精英家教�—— sketch template

如图所示在通电螺线管上绕出导线．题目和参考答案——青夏教育精英家教�—— sketch template

如上图所示螺线管A端为SS极永磁体B端为NN极．题目和参考答案——青夏教育精英家教�—— sketch template

题目如图所示N=10匝的螺线管横截面积为S=lm2电阻R1=2Ω管内有如图方�的磁场螺线管与足够长平行�属导轨MNPQ相连并固定 sketch template

如图所示小磁针静止在螺线管附�闭合开关S后下列判断正确的是A 通电螺线管的左端为N极B 小磁针一直保持静止C 小磁针的S极�右转动 sketch template

4．如图一所示一同学在通电螺线管�围画出四个小磁针表示磁感线方�其中小磁针指�画错的是 A．a B．b C．c D．d——青夏教育精英家教�—— sketch template

在如图甲所示的电路中螺线管匝数n=1500横截面积S=20cm2螺线管导线电阻r=10ΩR1=40ΩR2=50ΩC sketch template

如图所示通电螺线管的左端为 S 极则 A．小磁针c 端为N 极电源a 端为负极 B．小磁针c 端为正极 C．小 sketch template

如图所示均匀绕制的螺线管水平放置在其正中心得上方附�有一条用绝缘绳水平吊起的通电直导线L导线L与螺线管垂直．当螺线管通电后�现绝缘绳受到 sketch template

中考物理考点解读：通电螺线管的磁场知乎 sketch template

1 如图 A 所示某同学用右手螺旋定则判断通电螺线管的磁极请你在图中标出导线中的电流方�和螺线管的 NS 极． 2 b sketch template

如图所示开关闭合后螺线管通电产生磁场位于螺线管右则的小磁针会�生偏转．请画出通电螺线管的NS极并用箭头在小磁针N极的下方标出其转动的 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

如图所示的双线螺线管当开关S闭合时其铁芯AB A．A端为S极B端为N极B．A端为N极B端为S极C．不能被磁化D．无法确定是否被磁化 sketch template

如图所示A是悬挂在弹簧下的铁块B是螺线管的铁芯S是转换开关S接1时连入电路的线圈匝数多S接2时连入电路的线圈匝数�P是�动变阻器 sketch template

如图所示实验装置弹簧测力计下面挂着条形铁块螺线管中插有铁芯．现开关S拨在触点�位置且电流表示数为I．要使弹簧测力计的示数变大下列操作方法 sketch template

如图所示当闭合电键S后通电螺线管Q端附�的小磁针N极转�Q端则 A．通电螺线管的Q端为N极电源a端为正极B．通电螺线骨的Q端为N极 sketch template

如图所示把螺线管沿东西方�水平悬挂起来然后给导线通上如图所示的电流请你想一想会�生的现象是 A．通电螺线管仍保持静止不动B．通电 sketch template

如图所示均匀绕制的螺线管水平放置在其正中心的上方附�用绝缘绳水平吊起通电直导线AA与螺线管垂直A导线中的电流方�垂直纸面�里开关S sketch template

如图所示 在电磁铁的正上方用弹簧挂一条形磁铁当开关闭合后条形磁铁与电磁铁的相互作用为 当�片P 从b 端到a 端的�动过程中 弹簧的 sketch template

如附图所示两长直螺线管同轴并套在一起半径分别为R1和R2（R2&gtR1匝数分别为N1和N2长度均上学吧找答案 sketch template

如图所示一个弹簧下挂一个条形磁体磁体的下端为S极条形磁体的下端有一带铁心的螺线管闭合开关后弹簧的长度会此时�片在R的正中间当�片 sketch template

如图所示开关S闭合�现弹簧缩短小磁针旋转到如图中所示位置静止则下列说法正确的是 A 电源右端是负极B 小磁针上端是S极C sketch template

如图所示通电螺线管�围的小磁针静止时小磁针N极指�正确的是 A．abcB．abdC．acdD．bcd 题目和参考答案 sketch template

如图所示当S闭合时小磁针逆时针偏转则通电螺线管左端为 极电源的B端为 极．——青夏教育精英家教�—— sketch template

题目如图所示AB都是重物A被绕过小�轮P的细线所悬挂B放在粗糙的水平桌面上小�轮P被一根斜短线系与天花板上的O点是三根细线的 sketch template

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