本题目来源于试卷: Physics Unit17: Electric Potential，类别为 国际高中通用物理
[单选题]
The plates of a parall*uym9x phqq -td w(.e+.f:;wlweaq 0qp . 4o7 ,euxwncl7vxs(el-plate capacitor are maintained with constant voltage by a battery as they are pulled apart. What happens to the strength of th7 xcxlpo7vn.e ( u4,wse 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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