如图1所示电源电势为e内阻为r当�动变阻器r′的�片�右� 动时以下结论正的是 A．电源的总功率增大 B．r1的功率减小 C Sketch Coloring Page

如图1所示电源电势为e内阻为r当�动变阻器r′的�片�右� 动时以下结论正的是 A．电源的总功率增大 B．r1的功率减小 C Template

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sketch #5009 Elen Jager from Attack on Titan

anonymous

anonymous
sketch #5009 Elen Jager from Attack on Titan

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sketch #5063 Super Meat Boy by Alexander Volodimirovich Danilchenko

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anonymous
sketch #5063 Super Meat Boy by Alexander Volodimirovich Danilchenko

sketch #2729 Luffy by Jayme Sousa

Jayme Sousa
sketch #2729 Luffy by Jayme Sousa

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sketch #2965 Flapjack by Farzin Hedayatzadeh

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anonymous
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sketch #5258 Adventure Time by Kheith Ryan Lubiano

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anonymous
sketch #5258 Adventure Time by Kheith Ryan Lubiano

sketch #5129 Konata Izumi by Urs Stefan

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anonymous
sketch #5129 Konata Izumi by Urs Stefan

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sketch #2616 Green Day by sketchmaster

sketchmaster
sketch #2616 Green Day by sketchmaster

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sketch #2992 Dragon by Iky Sahendra Putra

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anonymous
sketch #2992 Dragon by Iky Sahendra Putra

sketch #519 The Joker

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sketch #519 The Joker

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sketch #4471 Brother Bear by Samuel Roberto

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sketch #3155 Iron Man

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sketch #3488 cats

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sketch #3247 Thor by Juvenilia Alexandrino

anonymous

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sketch #3247 Thor by Juvenilia Alexandrino

sketch #78 Dino-Roar

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sketch #3517 Scratch from Ice Age by VlAd Craciun

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anonymous
sketch #3517 Scratch from Ice Age by VlAd Craciun

tomski如图1所示电源电势为e内阻为r当�动变阻器r′的�片�右� 动时以下结论正的是 a．电源的总功率增大 coloring

如图所示的电路中电源的电压保持不变R1为定值电阻R2为�动变阻器闭合开关S�片P�右移动时则A．电流表A的示数变大B．电压表V的示 sketch template

如图甲所示是小明“探究电流与电压、电阻的关系”的实验电路图。选用的实验器材是：电源3V、电流表（00 6A）、出卷� sketch template

如图所示，电源电压恒为18V，定值电阻R1=20Ω，�动变阻器R2标有“40Ω 05A”，电流表A的量程为006A，电压表量程为0 sketch template

如图所示电源电动势E=24V内阻r=4ΩR0=1Ω直流电动机内阻R0′=1Ω当调节�动变阻器R1为某值时可使甲电路输出功率最大调节 sketch template

百度教育 sketch template

百度教育 sketch template

19．如图所示电源电压U及电阻R1均为恒定值当与R1 串联的可变电阻R2分别被调为8Ω和2Ω时可变电阻R2的功率都是2W则R1的阻值为 sketch template

一轮复习：含容电路知乎 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

题目如图所示的U I图象中直线Ⅰ为某电源的路端电压与电流的关系图线直线Ⅱ为某一电阻R的U I图线用该电源直接与电阻R连接成闭合电路 sketch template

如图所示电源电动势E=10伏内阻r=2欧电阻R1=28欧R2=30欧R3=60欧平行板电容器的电容C=4×10 8法开关K闭合时 sketch template

如图甲所示的电路中电源电动势为30V内阻不计L1L2L3为3个特殊材料制成的相同规格小灯泡这种小灯泡的伏安特性曲线如图乙所示．当 sketch template

利用如图a所示电路可以测量电源电动势和内阻所利用的实验器材有待测电源电阻箱R电阻R0电阻R1电流表A量程为200mA内阻 sketch template

在如图甲所示的电路中电源电动势为30V内阻不计L1L2L3为3个特殊材料制成的相同规格小灯泡这种小灯泡的伏安特性曲线如图乙所示 sketch template

如下图所示电源电动势为12 V内电阻为r＝1 ΩR1＝1 ΩR2＝6 Ω电动机线圈电阻为05 Ω若开关闭合后通过电源的电流为3 sketch template

如图所示电源电动势为E内阻为r电动机M的线圈电阻为R1．闭合开关S电动机开始转动稳定后电路中的电流为I�动变阻器接入电路的电阻为 sketch template

如图所示为了测量电源的电动势将电压表V1V2串联接到电源两端时示数分别为6V和4V当只有电压表V2接到电源两端时如图乙所示示数为 sketch template

高中物理必修三·电学实验之【测定电源电动势和内阻� 知乎 sketch template

如左图所示的电路中电源电动势为30V内阻不计L1L2L3为3个相同规格小灯泡这种小灯泡的伏安特性曲线如右图所示．当开关S闭合后 sketch template

高中物理：等效电源法的应用电阻 sketch template

16．如图所示已知电源电动势为ε＝12V内电阻为r=1ΩR1＝3ΩR2=2ΩR3=5ΩC1＝4μFC2＝1μF则C1C2带电 sketch template

如图所示的电路中，电源电动势为，内阻为，四个定值电 高途 sketch template

如图所示的电路中电路消耗的总功率为30W电阻R1为3ΩR2为6Ω电源内阻r为02Ω电源的效率为94%求1电源的电动势2 sketch template

如图所示电源电动势为4V内阻为1Ω电阻R1=3ΩR2=R3=4Ω电流表的内阻不计闭合S电路达稳定状态后电容器两极间电压为 A sketch template

如图所示的电路中电源电动势E=6V内阻r=1Ω电阻R1=6ΩR2=5ΩR3=3Ω电容器的电容C=2×10 5F若将开关S闭合 sketch template

如图所示电源电动势E=8V内阻r=1ΩR3=8Ω当S1闭合S2断开时电流表的示数为2A电压表的示数为4V求不计电压表和电流 sketch template

在如图所示电路中电源电动势为E内阻为r电流表A电压表V1V2V3均为理想电表R1为定值电阻R2为�动变阻器闭合开关S当R2 sketch template

如图所示电源电动势为E内阻为r电路中的R2R3分别为总阻值一定的�动变阻器R0为定值电阻R1为光敏电阻其电阻随光照强度增大而减小 sketch template

如图所示电路电源电动势E=90V内阻r=5ΩR1=10ΩR2=20Ω板面水平放置的平行板电容器的两极板MN相距d = 3cm在两 sketch template

如图1 30 11所示的电路中电源由6个电动势E0=15 V内电阻r0=01 Ω的电池串联而成定值电阻R1=44 ΩR2=6 Ω sketch template

电源的电动势和内阻 – I叨咕物理 sketch template

如图所示电源电动势为E内阻为rR1＞r当电路中�动变阻器R2的�动触头P�上�动时以下说法正确的是 A．电容器C的下极板的带电量 sketch template

如图1所示电源电势为E内阻为r当�动变阻器R′的�片�右� 动时以下结论正的是 A．电源的总功率增大 B．R1的功率减小 C sketch template

在如图所示的电路中电源电压保持不变电阻R1 的阻值为20Ω闭合开关S电流表A1的示数为03A电流表A 的示数为05A．求1 sketch template

如图所示电源电动势为E内电阻为r．当�动变阻器的触片P从右端�到左端时�现电压表V1V2示数变化的绝对值分别为 U1和 U2下列说法 sketch template

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