20． 如图所示导体棒ab在f的水平恒力作用下沿水平光�导线框由静止开始�右运动达到最大速度时已�右�过x的距离线框左端的电阻为r线框 Sketch Coloring Page

20． 如图所示导体棒ab在f的水平恒力作用下沿水平光�导线框由静止开始�右运动达到最大速度时已�右�过x的距离线框左端的电阻为r线框 Template

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sketch #4751 Ruko by Rodrigo Marcos

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sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

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sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

sketch #3699 Dragon by Ana Cecilia

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sketch #3327 Megaman by Abdelwahab Haik

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sketch #5225 The Friendship by Annabelle Bourget

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sketch #5225 The Friendship by Annabelle Bourget

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sketch #2744 Burce Lee by Karim Tayyeby

Karim Tayyeby
sketch #2744 Burce Lee by Karim Tayyeby

sketch #5341 Rafael Nadal by Alina Danielle

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sketch #5341 Rafael Nadal by Alina Danielle

sketch #3708

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sketch #4934 Nami-Ki Roberto Castro Colimil

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sketch #4934 Nami-Ki Roberto Castro Colimil

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sketch #5275

sketch #1562 Shaking red horse

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sketch #1562 Shaking red horse

sketch #3558 Eye Rubel Parvez

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sketch #3558 Eye Rubel Parvez

sketch #3736 Why so serious? by Taï Marsan

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sketch #3736 Why so serious? by Taï Marsan

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sketch #5182 Inuyasha by Sepp Herberger

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sketch #5182 Inuyasha by Sepp Herberger

sketch #314 Butterfly

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sketch #314 Butterfly

sketch #2965 Flapjack by Farzin Hedayatzadeh

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sketch #2965 Flapjack by Farzin Hedayatzadeh

sketch #5020 Stitch by Hina Ali

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sketch #5020 Stitch by Hina Ali

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sketch #2017 HEYOO

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tomski20． 如图所示导体棒ab在f的水平恒力作用下沿水平光�导线框由静止开始�右运动达到最大速度时已�右�过x的距离线框左端的电阻为r线框 coloring

如图所示在蹄形磁体的磁场中放置一根与螺线管连接的导体棒ab当ab棒静止时小磁针N极指�下当ab棒水平�右运动时棒内电流方�由a到b sketch template

20． 如图所示导体棒ab在F的水平恒力作用下沿水平光�导线框由静止开始�右运动达到最大速度时已�右�过X的距离线框左端的电阻为R线框 sketch template

题目如图所示导体AB棒放在处于蹄形磁体磁场中的水平�属轨道上1接通电源这时会看到导体AB运动起来这表明有力的作用2保持 sketch template

22．如图导体棒AB电阻器R和电流表组成闭合电路已知导体棒长04 M电阻为01Ω电阻器R的阻值为04 Ω设导体棒AB所在的 sketch template

如图1所示在倾角为a=37°的光�平行导轨上均匀导体棒AB平行于斜面底边CD由静止释放在导体棒AB释放位置下方x1处的CDEF区域内存在 sketch template

如图所示导体棒AB可以沿光�且足够长的竖直导轨�动水平匀强磁场垂直导轨平面导体棒与竖直导轨接触良好除电阻R外其它电阻均忽略不计在 sketch template

如图所示平行�属导轨与水平面成θ角导轨与固定电阻R1和R2相连匀强磁场垂直穿过导轨平面．有一导体棒ab质量为m导体棒的电阻与固定电阻 sketch template

图中所标的导体棒ab的长度为L处于磁感应强度为B的匀强磁场中棒运动的速度均为v产生的电动势为BLv的是 A．甲图和乙图B．乙图和丁图 sketch template

如图所示导体棒AB可以沿光�且足够长的竖直导轨�动水平匀强磁场垂直导轨平面导体棒与竖直导轨接触良好除电阻R外其它电阻均忽略不计在 sketch template

如图所示质量m1=01kg电阻R1=03Ω长度l=04m的导体棒ab横放在U型�属框架上框架质量m2=02kg放在绝缘水平面 sketch template

如图所示，平行光��属导轨水平放置，导轨间距为l，左端连接一阻值为R的电阻。导轨所在空间存在竖直�下的匀强磁场，磁感应强度为B。导体棒ab置于 sketch template

如图甲所示开关闭合后导体棒ab会�生运动根据这一原理可以制成机．如图乙所示用丝绸�擦过的玻璃棒靠�带电体aa被推开则a带电 sketch template

如图所示由导体棒ab和矩形线框cdef组成的“10 图案在匀强磁场中一起�右匀速平动匀强磁场的方�垂直线框平面�里磁感应强度B随时间均匀 sketch template

如图所示平行�属导轨与水平面成θ角导轨与两相同的定值电阻R1和R2相连匀强磁场垂直穿过导轨平面有一导体棒ab质量为m棒的电阻R＝0 sketch template

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两根足够长的固定平行�属导轨位于同一水平面内导轨间的距离为L导轨上横放着两根导体棒ab和cd它们与两�属导轨组成闭合回路．已知 sketch template

如图所示PQ和MN为水平平行放置的�属导轨相距1m导体棒ab跨放在导轨上棒的质量m=02㎏棒的中点用细绳经�轮与物体相连物体 sketch template

如图所示重为G的导体棒ab垂直放在相距为L的平行光��属导轨上导轨平面与水平面的夹角为θ并处于磁感应强度为B方�垂直于导轨平面�上的 sketch template

如图所示在同一水平面上的两�属导轨间距L=O．2m处在竖直�下的匀强磁场中磁感应强度B=1T．导体棒ab垂直导轨放置棒长等于导轨间距 sketch template

如图所示一导体棒放置在处于匀强磁场中的两条平行�属导轨上并与�属导轨组成闭合回路．当回路中通有电流时导体棒受到安培力作用．要安培力减小 sketch template

如图所示平行于y轴的导体棒以速度v�右匀速直线运动经过半径为R磁感应强度为B的圆形匀强磁场区域导体棒中的感应电动势ε与导体棒位置x关系 sketch template

9．如图所示导体棒ab长为4L匀强磁场的磁感应强度为B导体绕过O点垂直纸面的轴以角速度ω匀速转动aO=L则a端和b端的电势差Uab的 sketch template

如图所示两平行�属导轨与水平面夹角θ=37°处于方�垂直于导轨平面�上的匀强磁场中现把一质量m=004kg的导体棒ab置于�属导轨上 sketch template

如图所示在光�绝缘水平面上质量为m的均匀绝缘棒AB长为L带有正电电量为Q且均匀分布在水平面上O点右侧有匀强电场场强大小为E其方� sketch template

如图所示当导体ab水平�右运动时电流表指针�左偏转．下列情况中电流表指针偏转方�正确的是Aab不动磁体�右运动指针�左偏转B磁体 sketch template

如图所示平行�属导轨与水平面与θ角导轨与固定电阻R1和R2相连匀强磁场垂直穿过导轨平面．有一导体棒ab质量为m导体棒的电阻与固定电阻 sketch template

20．如图所示已知磁场与电流的方�图中又画出了通电导线在磁场中所受安培力的方�那么正确的是——青夏教育精英家教�—— sketch template

如图所示L1L2为水平放置的光�的平行导电导轨间距L为050m其间接有电阻R阻值为50Ω处于竖直方�的匀强磁场中磁感应强度B为 sketch template

如图所示两条电阻不计的平行导轨abbc与水平面成θ=37°倾斜放置ab位置用一段电阻不计的导线连接将整个装置置于方�垂直于导轨平面�上 sketch template

如图所示在磁场中悬挂一根导体ab把它的两端跟电流表连接起来闭合开关电流表指针不会偏转的做法是A磁体不动导体ab�左运动B磁体不动 sketch template

如图所示相距为L的两条足够长的光�平行�属导轨与水平面的夹角为θ上端接有定值电阻R匀强磁场垂直于导轨平面磁感应强度为B．将质量为m的 sketch template

18．如图所示与水平面成θ角的AB棒上有一�套C 可以无�擦地在棒上�动开始时与棒的A端相距b 相对棒静止当棒保持倾角θ不变地沿水平 sketch template

画出使杠杆AB在图所示位置静止时所用最小力F的作用点和方� 题目和参考答案——青夏教育精英家教�—— sketch template

如图所示棒AB的A端靠在竖直墙壁上B端搁在水平地面上棒长为2m在棒的中点C处有一质量m=05kg的小物体被固定在棒上棒的两端可分别 sketch template

如图所示两根“└ 形平行�属导轨相距L=05m水平放置导轨电阻不计MN右侧的导轨处于竖直�上的匀强磁场B1中MN左侧的导轨处于水平 sketch template

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