本课配套习题挑战模式1/5
A: 功率最大 |
B: 电流最大 |
C: 电阻最小 |
D: 电压最小 |
- 提示1:54Gv5Lid5pyA57uG55qE5Zyw5pa555S16Zi76L6D5aSn77yM5Zyo5Liy6IGU55S16Lev5Lit77yM55S16Zi76LaK5aSn77yM55u45ZCM5pe26Ze05YaF5Lqn55Sf55qE54Ot6YeP6LaK5aSa
- 答案:QQ==
55S16Zi75LiO5qiq5oiq6Z2i56ev55qE57KX57uG5pyJ5YWz77yM5b2T6ZW/5bqm55u4562J77yM5p2Q5paZ55u45ZCM5pe277yM5qiq5oiq6Z2i56ev5bCP5pe277yM55S16Zi75aSn77yM5Zyo5ZCM5LiA5qC554Gv5Lid5Lit77yM5aSE5aSE55S15rWB55u4562J77yM5pe26Ze055u4562J77yM55Sx5a+85L2T5Y+R54Ot5YWs5byPUT1JPHN1cD4yPC9zdXA+UnTnn6XvvIznu4blpITnmoTnlLXpmLvlpKfvvIzlj5Hng63lpJrvvIzlip/njoflpKfvvI7mlYXpgIlB77yO
本课配套习题挑战模式2/5
A: 电视机的后盖有许多孔 |
B: 电动机外壳有许多散热片 |
C: 家电长时间停用,隔一段时间应通电一次 |
D: 电脑机箱内有小风扇 |
- 提示1:5pWj54Ot5piv5Li65LqG6Ziy5q2i55S154Ot5bim5p2l55qE5Y2x5a6z
- 答案:Qw==
5a6255S16ZW/5pe26Ze05YGc55So77yM6ZqU5LiA5q615pe26Ze05bqU6YCa55S15LiA5qyh5LiO55S154Ot5peg5YWz77yM5pWF6YCJQy4=
本课配套习题挑战模式3/5
A: 2Q |
B: 4Q |
C: Q /2 |
D: Q /4 |
- 提示1:5a+85L2T5a+55oqY5ZCO5LuN5o6l5Zyo6L+Z5Liq55S15rqQ5LiK77yM6ZW/5bqm5YeP5Y2K77yM5qiq5oiq6Z2i56ev5ZCM5pe25aKe5aSn5LiA5YCN77yM55S16Zi75Li65Y6f5p2l55qEPGltZyB3aWR0aD0xNyBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC83My8yNC9yQkFDRTFUSW96ekJUR1RnQUFBQkw4T1JtTTA3ODAucG5nIj4=
- 答案:Qg==
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
本课配套习题挑战模式4/5
如图所示电路中,已知R1>R2,把他们分别接在电压为U的电源两端,在相同的时间内四个电路中总共放出的热量由多到少的顺序是( )
A: 甲、乙、丙、丁 |
B: 甲、丙、丁、乙 |
C: 丙、丁、乙、甲 |
D: 乙、丁、丙、甲 |
- 提示1:PHA+5b2T55S15rqQ55S15Y6L5ZKM6YCa55S15pe26Ze055u45ZCM5pe277yM55S16Zi76LaK5aSn55qE55So55S15Zmo77yM5Lqn55Sf55qE54Ot6YeP6LaK5bCPPC9wPg==
- 提示2:PHA+5bm26IGU55S16Lev5Lit77yM562J5pWI55S16Zi75bCP5LqO5Lu75L2V5LiA5Liq55S16Zi7PC9wPg==
- 答案:RA==
PHA+5Zug5Li655Sy44CB5LmZ44CB5LiZ44CB5LiB5Zub5Liq55S16Lev5Lik56uv55S15Y6L55u4562J77yM55S16Zi75YWz57O75Li6UjxzdWI+55SyPC9zdWI+77yeUjxzdWI+5LiZPC9zdWI+77yeUjxzdWI+5LiBPC9zdWI+77yeUjxzdWI+5LmZPC9zdWI+77yM5qC55o2u57qv55S16Zi755S16Lev54Sm6ICz5a6a5b6L5YWs5byPUT1VPHN1cD4yPC9zdXA+IHQvUuefpe+8jOebuOWQjOaXtumXtOWGheS6p+eUn+eahOeDremHj+WFs+ezu+S4ulE8c3ViPuS5mTwvc3ViPu+8nlE8c3ViPuS4gTwvc3ViPu+8nlE8c3ViPuS4mTwvc3ViPu+8nlE8c3ViPueUsjwvc3ViPu+8jOaVhemAiUQuPC9wPg==
本课配套习题挑战模式5/5
A: 1:2 |
B: 2:1 |
C: 1:4 |
D: 4:1 |
- 提示1:5Lik5Liq55S16Lev55qE5oC755S15Y6L55u4562J77yM5Yip55So5YWs5byPUT1VPHN1cD4yPC9zdXA+dC9S5rGC6Kej5Zyo5Lik56eN5oOF5Ya15LiL5Lqn55Sf55u45ZCM54Ot6YeP5omA6ZyA6KaB55qE5pe26Ze05LmL5q+U
- 答案:RA==
6K6+5q+P5Liq55S16Zi755qE6Zi75YC85Li6Uu+8jOWImeS4pOS4queUtemYu+S4suiBlOWQjueahOaAu+eUtemYu++8mlI8c3ViPjE8L3N1Yj49MlLvvIw8YnI+5bm26IGU5ZCO55qE5oC755S16Zi777yaUjxzdWI+Mjwvc3ViPj1SLzLvvIzlm6DnlLXmupDnlLXljovkuI3lj5jlkoxRPHN1Yj4xPC9zdWI+PVE8c3ViPjI8L3N1Yj7vvIzmiYDku6XnlLFRPVU8c3VwPjI8L3N1cD50L1Llj6/nn6XvvJp0PHN1Yj4xPC9zdWI+77yadDxzdWI+Mjwvc3ViPj0077yaMe+8juaVhemAiUTvvI4=