本题目来源于试卷: Physics Unit16: Electric Charge and Electric Field，类别为 通用国际物理
[单选题]
An electron and a proton are separated by a distance of 1.0 m. What hhdmbxi o129 j,appeij/ ;fdnwp6o + t i-8gv8)vmlek)qk0yns to the magnitude of the forc/pkoi6n8+em g); l vjf0w-i dt)vkqy8e on the first electron if a second electron is placed next to the proton?
A. It doubles.
B. It does not change.
C. It is reduced to half.
D. It becomes zero.
参考答案: D
本题详细解析:
暂无
| 
