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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anonymous
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sketch #4582 Pikachu by Mariana Sanchez Acevedo

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sketch #4749 Random Girl by Adellachamp Stand

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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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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

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=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

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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

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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

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

13．如图所示电源电动势为12V内电阻为1ΩR1=3Ω R2=2ΩR3=4ΩC1=4μFC2=1μF则C1所带电量 为 C 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

如图所示电源电动势E=12V内阻r=1Ω电阻R1=3ΩR2=2Ω R3=4Ω水平放置的平行板电容器的电容C=100μF开关S断开后 sketch template

一轮复习：含容电路知乎 sketch template

如图2所示电路图中定值电阻和�动变阻器R串联两端的电压分别为当�动变阻器的�片P�右�动过程中 A 变小也变小 B 变小不变 sketch template

1．如图所示的电路中电源的电动势为E内阻忽略不计R1R2R3R4均为定值电阻C是电容器开关S是断开的现将开关S闭合则在闭合 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

如图所示电源的电动势E=110V电阻R1=21Ω电动机绕组的电阻R0=05Ω电键S1始终闭合当电键S2断开时电阻R1的电功率是 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电路中电源的电动势为E内阻为r各电阻阻值如图所示当�动变阻器的�动触头P从a端�到b端的过程中下列说法正确的是A．电压表的 sketch template

如图所示电源的电动势为4 V内阻为1Ω电阻R 1R 2R 3的阻值均为4Ω电容器C的电容为30pF电流表的内阻不计求 1 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电路中电源电动势为12V电源内阻为10Ω电路中的电阻R0为15Ω小型直流电动机M的内阻为05Ω闭合开关S后电动机转动 sketch template

高中物理：等效电源法的应用电阻 sketch template

在如图所示的电路中电源的电动势E=15V内电阻r=10Ω电阻R=40Ω不计电流表的内阻．闭合开关S后电流表的示数为 A．1 sketch template

在如图所示的电路中电源的电动势E=30V内阻r=10Ω电阻R1=10ΩR2=10ΩR3=30ΩR4=35Ω电容器的电容C sketch template

3．图132 1所示电路中电源电动势为9V内阻不计R1=10ΩR2=20Ω变阻器R3的最大值为20ΩS闭合后在R3阻值变化时 sketch template

如图所示电源电势E=6V内电阻为r=02Ω“2V4W 的灯泡L与电动机M串联接在电源上灯泡刚好正常�光电动机刚好正常工作电动机 sketch template

如图所示电源的电动势E=110V电阻R1=21Ω电动机绕组的电阻R0=05Ω电键S1始终闭合当电键S2断开时电阻R1的电功率是 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

8．在如图所示的电路中电源的电动势E和内阻r恒定闭合开关S后灯泡能够�光经过一段时间后灯泡突然变亮则出现这种现象的原因可能是 sketch template

19．如图所示电源电动势E＝6 V内阻r＝1 Ω电阻R1＝2 ΩR2＝3 ΩR3＝75 Ω电容器的电容C＝4 μF开关S原来 sketch template

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