本课配套习题挑战模式1/5
下列几种物质不能被磁化的是( )
A: 铜块 |
B: 钴块 |
C: 铁块 |
D: 镍块 |
- 提示1:PHA+6ZOB44CB6ZK044CB6ZWN562J54mp6LSo5Y+r5YGa56OB5oCn5p2Q5paZPGJyPjwvcD4=
- 提示2:PHA+56OB5YyW5piv6ZKI5a+556OB5oCn5p2Q5paZ55qEPGJyPjwvcD4=
- 答案:QQ==
PHA+5oiR5Lus5oqK6ZOB6ZK06ZWN562J54mp6LSo5Y+r5YGa6ZOB56OB5oCn5p2Q5paZ77yM56OB5YyW5piv5L2/5Y6f5p2l5rKh5pyJ56OB5oCn55qE54mp5L2T6I635b6X56OB5oCn55qE6L+H56iL77yM5piv6ZKI5a+56ZOB56OB5oCn5p2Q5paZ55qE77yM5pWF6YCJQTxicj48L3A+
本课配套习题挑战模式2/5
用小磁针去靠近甲乙两根钢棒时,甲能排斥小磁针,乙能吸引小磁针,那么 ( )
A: 甲有磁性,乙无 |
B: 甲乙都有磁性 |
C: 甲没有磁性,乙有 |
D: 甲肯定有磁性,乙不能肯定 |
- 提示1:PHA+56OB6ZOB5YW35pyJ5ZC45byV6ZOB44CB6ZK044CB6ZWN562J56OB5oCn5p2Q5paZ55qE5oCn6LSoPC9wPg==
- 提示2:PHA+5ZCM5ZCN56OB5p6B55u45LqS5o6S5pal77yM5byC5ZCN56OB5p6B55u45LqS5ZC45byVPC9wPg==
- 答案:RA==
PHA+55So5bCP56OB6ZKI5Y676Z2g6L+R55Sy44CB5LmZ5Lik5qC56ZKi5qOS5pe277yM55Sy6IO95o6S5pal5bCP56OB6ZKI77yM6K+05piO55Sy5LiA5a6a5pyJ56OB5oCn77yM5LiU5ZKM5bCP56OB6ZKI55qE56OB5oCn55u45ZCM77yb5LmZ6IO95ZC45byV5bCP56OB6ZKI77yM6K+05piO5LmZ5Y+v6IO95rKh5pyJ56OB5oCn77yM5oiW6ICF5LmZ55qE56OB5oCn5ZKM5bCP56OB6ZKI55qE56OB5oCn55u45Y+N77yM5pWF6YCJRDxicj48L3A+
本课配套习题挑战模式3/5
如图水平放置的条形磁铁的一端吸引着一个较重的铁钉,若另一根同样的条形磁铁的S极与原来磁铁的N极接合时,则出现的情况( )
A: 铁钉下落 |
B: 将铁钉吸得更牢 |
C: 铁钉向右移 |
D: 铁钉向左移 |
- 提示1:PHA+5q+P5Liq56OB5L2T5pyJ5Lik5Liq56OB5p6BPC9wPg==
- 提示2:PHA+56OB5p6B55qE56OB5oCn5pyA5by6PC9wPg==
- 提示3:PHA+5p2h5b2i56OB6ZOB56OB5p6B5Zyo5Lik56uvPC9wPg==
- 答案:QQ==
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
本课配套习题挑战模式4/5
如图所示,用N棒的中间去靠近M棒的一端时,两者相互吸引, 则()
A: N棒一定有磁性 |
B: M棒一定有磁性 |
C: M、N棒都有磁性 |
D: 无法确定M棒一定有磁性 |
- 提示1:PHA+56OB5L2T5LiK5LiN5ZCM6YOo5L2N56OB5oCn5by65byx5LiN5ZCMPC9wPg==
- 提示2:PHA+5Yik5pat56OB5oCn55qE5pa55rOVPC9wPg==
- 提示3:PHA+56OB5p6B5piv56OB5L2T5LiK56OB5oCn5pyA5by655qE6YOo5YiGPC9wPg==
- 答案:Qg==
PHA+56OB5L2T5LiK56OB5oCn5pyA5by655qE6YOo5YiG5Y+r56OB5p6B77yM5L2N5LqO56OB5L2T5Lik56uv77yM56OB5oCn5pyA5byx55qE6YOo5YiG5Zyo56OB5L2T5Lit6Ze077yM6L+Z5Liq5L2N572u5Yeg5LmO5rKh5pyJ56OB5oCn77yM55So55Sy55qE5LiA56uv6Z2g6L+R5LmZ5Lit6Ze06YOo5YiG5pe277yM5LmZ6KKr5ZC46LW377yM55Sx5q2k5Y+v5Lul56Gu5a6a6YeR5bGe5qOS55Sy5pyJ56OB5oCn77yM5LiN6IO956Gu5a6a5LmZ56OB5oCn55qE5pyJ5peg77yM5pWF6YCJQjwvcD4=
本课配套习题挑战模式5/5
如图所示,当弹簧测力计吊着一个铁块,沿水平方向从水平放置的条形磁体的A端移到B端的过程中,能表示弹簧测力计示数与水平位置关系的图是( )
A: |
B: |
C: |
D: |
- 提示1:PHA+56OB5L2T5Lit6Ze056OB5oCn5pyA5byxPC9wPg==
- 提示2:PHA+56OB5L2T5Y+v5Lul5ZC45byV6ZOB56OB5oCn54mp6LSoPC9wPg==
- 提示3:PHA+5by557Cn5rWL5Yqb6K6h55qE5L2/55SoPC9wPg==
- 答案:Qg==
PHA+5qC55o2u5p2h5b2i56OB5L2T5Lik5p6B56OB5oCn5pyA5by66ICM5Lit6Ze056OB5oCn5pyA5byx77yM5b2T5bCP6ZOB5Z2X5ZCR5Y+z56e75Yqo5Yiw56OB5L2T5Lit6Ze055qE6L+H56iL5Lit77yM5ZC45byV5Yqb6YCQ5riQ5YeP5bCP77yM6ICM6L+H5LqG5p2h5b2i56OB5L2T5Lit54K55ZCO77yM55u45LqS5ZC45byV5Yqb6YCQ5riQ5aKe5aSn77yM5pWF5Y+v5Lul5b6X5Ye65by557Cn5rWL5Yqb6K6h55qE56S65pWw5LuOQeerr+WIsELnq6/mmK/lhYjlj5jlsI/lkI7lj5jlpKfnmoQuIOaVhemAiUI8YnI+PC9wPg==