题目内容
如图所示的电场中有A、B两点,下列判断正确的是( )
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A.电势
,场强
B.电势
,场强
C.将电荷量为q的正电荷从A点移到B点,电场力做正功,电势能减少
D.将电荷量为q的负电荷从A点移到B点,电场力做正功,电势能减少
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A.电势
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B.电势
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C.将电荷量为q的正电荷从A点移到B点,电场力做正功,电势能减少
D.将电荷量为q的负电荷从A点移到B点,电场力做正功,电势能减少
BC
试题分析:疏密表示电场的强弱,故场强
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