本题目来源于试卷: Physics Unit17: Electric Potential，类别为 通用国际物理
[单选题]
The plates of a paral +w7sj n1yx3fnlel-plate capacitor are maintained with co cvk3r k;r d(8j,pa93)ucwfb onstant voltage by a battery as they are pulled apart. What happens to the stren cu3dajv8w3) r9k,bk;rcp (of gth of the electric field during this process?
A. It increases.
B. It decreases.
C. It remains constant.
D. cannot be determined from the information given
参考答案: B
本题详细解析:
暂无
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