本课配套习题挑战模式1/5
如图所示电路,闭合开关后,比较a、b、c、d四处电流的大小,其中不正确的是( )
A: Ia=Id |
B: Ia>Id |
C: Ia>Ib |
D: Id>Ic |
- 提示1:PHA+5bm26IGU55S16Lev5bmy6Lev55S15rWB562J5LqO5ZCE5pSv6Lev5LmL5ZKMPC9wPg==
- 提示2:PHA+5bmy6Lev55S15rWB5LiA5a6a5aSn5LqO5pSv6Lev55S15rWBPGJyPjwvcD4=
- 答案:Qg==
PGRpdj7nlLHlubbogZTnlLXot6/kuK3nlLXmtYHnmoTnibnngrnnn6XvvIzlubLot6/kuK3nmoTnlLXmtYHnrYnkuo7lkITmlK/ot6/nlLXmtYHkuYvlkowuIOaVhUHjgIFD44CBROS4reWPjeaYoOeahOWFs+ezu+ato+ehru+8jELkuK3nmoTplJnor688L2Rpdj4=
本课配套习题挑战模式2/5
A: 甲处最大 |
B: 乙处最大 |
C: 丙处最大 |
D: 一样大 |
- 提示1:IOS4suiBlOeUtei3r+eUtea1geWkhOWkhOebuOetiQ==
- 答案:RA==
PGRpdj7lpoLlm77mmK/kuLLogZTnlLXot6/vvIzmoLnmja7kuLLogZTnlLXot6/nlLXmtYHlpITlpITnm7jnrYnvvIznlLLkuZnkuJnkuInlpITnmoTnlLXmtYHpg73nm7jnrYnvvIzliJlE6YCJ6aG55q2j56GuPC9kaXY+
本课配套习题挑战模式3/5
A: 将电源两极对调,再次测量a、b、c三处的电流 |
B: 改变开关S的位置,再次测量a、b、c三处的电流 |
C: 将图中两只灯泡位置对调,再次测量a、b、c三处的电流 |
D: 换用不同规格的灯泡,再次测量a、b、c三处的电流 |
- 提示1:IOimgeS7juWunumqjOS4reW+l+WIsOinhOW+i++8jOW/hemhu+S/neivgeWunumqjOWFt+acieaZrumBjeaApw==
- 答案:RA==
PGRpdj5BQkPjgIHlsIbnlLXmupDnmoTmraPotJ/mnoHlr7nosIPjgIHmlLnlj5jlvIDlhbPnmoTkvY3nva7jgIHkuKTlj6rnga/ms6HnmoTkvY3nva7lr7nosIPvvIzpg73kuI3og73mlLnlj5jnlLXot6/nmoTnlLXpmLvvvIzkuZ/kuI3og73mlLnlj5jnlLXmupDnlLXljovvvIzkuI3nrKblkIjpopjmhI8uIDwvZGl2PjxkaXY+ROOAgeabtOaNouS4jeWQjOeahOeBr+azoe+8jOeUtemYu+WPmOWMlu+8jOeUtei3r+S4reeahOeUtea1geWPkeeUn+WPmOWMli4g5L2/5a6e6aqM57uT6K665YW35pyJ5pmu6YGN5oCnPC9kaXY+
本课配套习题挑战模式4/5
小华和几位同学在学校实验室探究并联电路中的电流关系时,连接了如图所示的电路. 当开关S由断开到闭合时,关于两个电流表的示数变化情况,你认为正确的是( )
A: A1的示数变大,A2的示数不变 |
B: A1的示数变小,A2的示数变大 |
C: A1的示数变大,A2的示数变小 |
D: A1的示数不变,A2的示数变大 |
- 提示1:PHA+6KeC5a+f5byA5YWz6Zet5ZCI5ZCO5Lya6K6p55S16Lev55qE6L+e5o6l5Y+R55Sf5Y+Y5YyW77yMTDxzdWI+Mjwvc3ViPueUseaWrei3r+aUueS4uumAmui3rzxicj48L3A+
- 提示2:PHA+5bm26IGU55S16Lev55S15rWB6KeE5b6LPC9wPg==
- 答案:RA==
PGRpdj7lvIDlhbPnmoTmlq3lvIDlkozpl63lkIjkvb/nlLXot6/nmoTnu5PmnoTlj5HnlJ/kuobmlLnlj5jvvIzlvZPlvIDlhbPmlq3lvIDml7bvvIzlj6rmnIlMPHN1Yj4xPC9zdWI+5LiA55uP54Gv77yM5b2T5byA5YWz6Zet5ZCI5pe277yM55S16Lev5Li65Lik54Gv5bm26IGU77yM5bmy6Lev55S15rWB5aKe5aSn77yM5L2G5a+55Y6f5p2l55qE54GvTDxzdWI+MTwvc3ViPuS4jeW9seWTjS4g5omA5LulQTxzdWI+MTwvc3ViPueahOekuuaVsOS4jeWPmO+8jEE8c3ViPjI8L3N1Yj7nmoTnpLrmlbDlj5jlpKc8YnI+PC9kaXY+
本课配套习题挑战模式5/5
在“探究并联电路电流的特点”实验中,实验电路如图甲所示,闭合开关S后,电流表A1、A2示数分别如图乙、丙所示,则通过灯泡L1、L2电流大小的判断正确的是( )
A: L1的电流大于L2的电流 |
B: L1的电流等于L2的电流 |
C: L1的电流小于L2的电流 |
D: 无法比较L1、L2的电流大小 |
- 提示1:PHA+6KeC5a+f55S16Lev5Li65bm26IGU55S16LevPC9wPg==
- 提示2:PHA+56Gu5a6a55S15rWB6KGo6YeP56iL77yM5bm26K+75Ye655S15rWB6KGo6K+75pWwPC9wPg==
- 答案:Qw==
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