本课配套习题挑战模式1/5
如图所示的电路,开关S闭合时,发现L1、L2都不亮,用电压表逐段测量,结果是Uad=6V, Uab=0, Ubc=0,Ucd=6V, 则该电路的故障可能是( )
A: 开关S接触不良 |
B: 灯L1断路 |
C: 灯L2短路 |
D: 灯L2的灯丝断了 |
- 提示1:PHA+5Y+R546wTDxzdWI+MTwvc3ViPuOAgUw8c3ViPjI8L3N1Yj7pg73kuI3kuq7vvIzor7TmmI7nlLXot6/ml7bmlq3ot6/nirbmgIE8L3A+
- 提示2:PHA+55S15Y6L6KGo5pS+5ZyoYmPkuKTnq6/vvIxiY+S4pOerr+eUteWOi+S4uumbtu+8jOivtOaYjuatpOaXtueUtei3r+S7jeWkhOS6juefrei3r+eKtuaAgTwvcD4=
- 提示3:PHA+55S15Y6L6KGo5pS+5ZyoY2Tnq6/vvIxjZOerr+eUteWOi+etieS6jueUtea6kOeUteWOi++8jOatpOaXtueUtei3r+S4uumAmui3r+eKtuaAgTwvcD4=
- 答案:RA==
PGRpdj7lj5HnjrBMPHN1Yj4xPC9zdWI+44CBTDxzdWI+Mjwvc3ViPumDveS4jeS6ru+8jOivtOaYjueUtei3r+aXtuaWrei3r+eKtuaAge+8m+eUteWOi+ihqOaUvuWcqGJj5Lik56uv77yMYmPkuKTnq6/nlLXljovkuLrpm7bvvIzor7TmmI7mraTml7bnlLXot6/ku43lpITkuo7nn63ot6/nirbmgIHvvJvnlLXljovooajmlL7lnKhjZOerr++8jGNk56uv55S15Y6L562J5LqO55S15rqQ55S15Y6L77yM5q2k5pe255S16Lev5Li66YCa6Lev54q25oCB77yM5Y+v55+lTDxzdWI+Mjwvc3ViPueBr+S4neaWreS6hu+8jOmAiemhuUTmraPnoa48YnI+PC9kaXY+
本课配套习题挑战模式2/5
A: 灯L1断路 |
B: 灯L2断路 |
C: 灯L1短路 |
D: 灯L2短路 |
- 提示1:IOW9k+S7lueUqOWvvOe6v+i/nuaOpUw8c3ViPjE8L3N1Yj7kuKTnq6/ml7bvvIzkuKTnga/ku43kuI3kuq7vvIzor7TmmI5MPHN1Yj4xPC9zdWI+5LiN5piv5pat6Lev
- 提示2:IOW9k+eUqOWvvOe6v+i/nuaOpUw8c3ViPjI8L3N1Yj7kuKTnq6/ml7bvvIznga9MPHN1Yj4xPC9zdWI+5Lqu77yM5YiZ5LiN5piv55+t6Lev77yM6ICM5pivTDxzdWI+Mjwvc3ViPuaWrei3rw==
- 答案:Qg==
PGRpdj7lvZPku5bnlKjlr7znur/ov57mjqVMPHN1Yj4xPC9zdWI+5Lik56uv5pe277yM5Lik54Gv5LuN5LiN5Lqu77yM6K+05piOTDxzdWI+MTwvc3ViPuS4jeaYr+aWrei3r++8m+W9k+eUqOWvvOe6v+i/nuaOpUw8c3ViPjI8L3N1Yj7kuKTnq6/ml7bvvIznga9MPHN1Yj4xPC9zdWI+5Lqu77yM5YiZ5LiN5piv55+t6Lev77yM6ICM5pivTDxzdWI+Mjwvc3ViPuaWrei3r++8jOmAiemhuUIg5q2j56GuPC9kaXY+
本课配套习题挑战模式3/5
A: 灯L1 断路 |
B: 灯L2断路 |
C: 开关S断路 |
D: 灯L2短路 |
- 提示1:IOeUqOS4gOauteWvvOe6v+eahOS4pOerr+aOpeinpjxpPmE8L2k+44CBPGk+YjwvaT7kuKTngrnml7bvvIzkuKTnga/pg73kuI3kuq7vvJvmjqXop6Y8aT5iPC9pPuOAgTxpPmM8L2k+5Lik54K55pe277yM5Lik54Gv5Lmf5LiN5Lqu77yM77yb5o6l6KemPGk+YzwvaT7jgIE8aT5kPC9pPuS4pOeCueaXtu+8jOS4pOeBr+mDveS6ru+8jOWImeivtOaYjumXrumimOS4gOWumuWcqOW8gOWFs+WkhA==
- 答案:Qw==
PGRpdj7nlKjkuIDmrrXlr7znur/nmoTkuKTnq6/mjqXop6Y8aT5hPC9pPuOAgTxpPmI8L2k+5Lik54K55pe277yM5Lik54Gv6YO95LiN5Lqu77yb5o6l6KemPGk+YjwvaT7jgIE8aT5jPC9pPuS4pOeCueaXtu+8jOS4pOeBr+S5n+S4jeS6ru+8jO+8m+aOpeinpjxpPmM8L2k+44CBPGk+ZDwvaT7kuKTngrnml7bvvIzkuKTnga/pg73kuq7vvIzliJnor7TmmI7pl67popjkuIDlrprlnKjlvIDlhbPlpITvvIzpgInpoblD5q2j56GuPC9kaXY+
本课配套习题挑战模式4/5
A: 开关S接触不良 |
B: 小灯泡灯丝断了 |
C: d、e间出现断路 |
D: e、f间出现断路 |
- 提示1:IFU8c3ViPmFkPC9zdWI+PTZ277yM6K+05piOYWTkuYvpl7TmnInmlq3ot6/lpIQ=
- 提示2:IFU8c3ViPmFiPC9zdWI+PTAsIFU8c3ViPmRlPC9zdWI+PTAsIFU8c3ViPmNkPC9zdWI+PTZW77yM6K+05piO54Gv5Lid5pat6Lev
- 答案:Qg==
PGRpdj5VPHN1Yj5hZDwvc3ViPj02du+8jOivtOaYjmFk5LmL6Ze05pyJ5pat6Lev5aSE77ybVTxzdWI+YWI8L3N1Yj49MCwgVTxzdWI+ZGU8L3N1Yj49MCwgVTxzdWI+Y2Q8L3N1Yj49NlbvvIzor7TmmI7nga/kuJ3mlq3ot6/vvIzliJnpgInpoblC5q2j56GuPC9kaXY+
本课配套习题挑战模式5/5
A: 若灯L′亮,则灯L一定断路 |
B: 若灯L′亮,则灯L一定短路 |
C: 若灯L′不亮,则电阻R一定断路 |
D: 若灯L′不亮,则电阻R一定短路 |
- 提示1:IOeOsOeUqOS4gOWPquinhOagvOebuOWQjOS4lOWujOWlveeahOeBr0zigLLmm7/mjaLnga9M77yM54Gv5Lqu77yM6K+05piO54GvTOWPr+iDveaYr+efrei3r+aIluaWrei3r+S4pOenjeaDheWGtQ==
- 提示2:IOiLpeeBr0zigLLkuI3kuq7vvIzliJlS5LiA5a6a5pat6Lev
- 答案:Qw==
PGRpdj7njrDnlKjkuIDlj6rop4TmoLznm7jlkIzkuJTlrozlpb3nmoTnga9M4oCy5pu/5o2i54GvTO+8jOeBr+S6ru+8jOivtOaYjueBr0zlj6/og73mmK/nn63ot6/miJbmlq3ot6/kuKTnp43mg4XlhrXvvIxBQumUmeivr++8m+iLpeeBr0zigLLkuI3kuq7vvIzliJlS5LiA5a6a5pat6Lev77yM5aaC5p6cUuefrei3r++8jOeBr+S8muS6ru+8jOWImUPmraPnoa7vvIxE6ZSZ6K+vPC9kaXY+