本课配套习题挑战模式1/5
便携式充电器正在给手机电池充电,在充电过程中,该手机电池相当于电路中的( )
A: 电源 |
B: 开关 |
C: 导线 |
D: 用电器 |
- 提示1:PHA+55S16Lev55Sx55S15rqQ44CB5byA5YWz44CB5a+857q/44CB55So55S15Zmo57uE5oiQPC9wPg==
- 答案:RA==
PHA+5Zyo57uZ5omL5py655S15rGg5YWF55S155qE6L+H56iL5Lit77yM55S16IO96L2s5YyW5Li655S15rGg55qE5YyW5a2m6IO977yM5Zyo55S16Lev5Lit5omL5py655S15rGg5raI6ICX55S16IO977yM5omL5py655S15rGg55u45b2T5LqO55So55S15Zmo77ybPGJyPuaVhemAiUQuPC9wPg==
本课配套习题挑战模式2/5
A: 小灯泡 |
B: 洗衣机 |
C: 电动机 |
D: 发电机 |
- 提示1:IOeUqOeUteWZqOaYr+aMh+a2iOiAl+eUteiDveeahOijhee9rg==
- 提示2:IOWPkeeUteacuuaYr+S6p+eUn+eUteiDveeahOijhee9rg==
- 答案:RA==
55So55S15Zmo5piv5oyH5raI6ICX55S16IO955qE6KOF572uLOiAjOWPkeeUteacuuaYr+S6p+eUn+eUteiDveeahOijhee9rizliJlE6YCJ6aG55LiN5bGe5LqO55So55S15ZmoLg==
本课配套习题挑战模式3/5
A: 电源负极,开关,用电器,电源正极 |
B: 电源正极,开关,用电器,电源负极 |
C: 电源正极, 用电器, 开关,电源负极 |
D: 电源正极,电源负极,开关,用电器 |
- 提示1:IOeUtea1geaYr+S7jueUtea6kOeahOato+aegeWHuuWPke+8jOacgOe7iOWbnuWIsOeUtea6kOeahOi0n+aegQ==
- 提示2:IOeUqOeUteWZqOWSjOW8gOWFs+eahOmhuuW6j+ayoeacieWFs+ezuw==
- 答案:QixD
55S15rWB5piv5LuO55S15rqQ55qE5q2j5p6B5Ye65Y+R77yM5Lit6Ze057uP55Sx55So55S15Zmo5ZKM5byA5YWz77yM5L2G5piv55So55S15Zmo5LiO5byA5YWz55qE6aG65bqP5rKh5pyJ5YWz57O777yM5pyA57uI55S15rWB5Zue5Yiw55S15rqQ55qE6LSf5p6B77yMQixD5Lik6YCJ6aG55q2j56Gu
本课配套习题挑战模式4/5
以下说法正确的是( )
A: 电源是消耗电能的装置 |
B: 导线是用来连接电路的装置 |
C: 电路中可以没有用电器 |
D: 电路的基本构成:电源、开关、用电器、导线 |
- 提示1:PHA+55S16Lev55qE5Z+65pys5p6E5oiQ77ya55S15rqQ44CB5byA5YWz44CB55So55S15Zmo44CB5a+857q/PGJyPjwvcD4=
- 提示2:PHA+55S15rqQ5piv5o+Q5L6b55S16IO955qE6KOF572u77yM5a+857q/5piv55So5p2l6L+e5o6l55S16Lev55qE6KOF572uPGJyPjwvcD4=
- 答案:QixE
PHA+55S16Lev55qE5Z+65pys5p6E5oiQ77ya55S15rqQ44CB5byA5YWz44CB55So55S15Zmo44CB5a+857q/77yMROmAiemhueato+ehru+8jEPpgInpobnplJnor6/vvJvnlLXmupDmmK/mj5DkvpvnlLXog73nmoToo4Xnva7vvIxB6YCJ6aG56ZSZ6K+v77yb5a+857q/5piv55So5p2l6L+e5o6l55S16Lev55qE6KOF572u77yMQumAiemhueato+ehrjxicj48L3A+
本课配套习题挑战模式5/5
构成电路的原件必须包括:( )
A: 发电机、小灯泡、电视机 |
B: 电源、开关、导线、用电器 |
C: 电源、电流、电表、导线 |
D: 干电池、蓄电池、空调 |
- 提示1:PHA+55S16Lev55qE5Z+65pys5p6E5oiQ77ya55S15rqQ44CB5byA5YWz44CB55So55S15Zmo44CB5a+857q/PC9wPg==
- 答案:Qg==
PHA+55S16Lev55qE5Z+65pys5p6E5oiQ77ya55S15rqQ44CB5byA5YWz44CB55So55S15Zmo44CB5a+857q/77yMQemAiemhueS4reayoeacieWvvOe6v+WSjOW8gOWFs++8m0LpgInpobnmraPnoa7vvJtD6YCJ6aG55rKh5pyJ55So55S15Zmo5ZKM5byA5YWz77ybROmAiemhueacieS4pOS4queUtea6kO+8jOS4gOS4queUqOeUteWZqO+8jOS9huaYr+e8uuWwkeW8gOWFs+WPiuWvvOe6vzxicj48L3A+