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关于静电场中某点电势值的正负,下列说法正确的是_____。

单选题
2021-09-01 23:31
A、电势值的正负取决于置于该点的试验电荷的正负
B、电势值的正负取决于电场力对试验电荷所作功的正负
C、电势值的正负取决于电势零点的选择
D、电势值的正负取决于产生电场的电荷的正负
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正确答案
C

试题解析

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