本题目来源于试卷: Electric Field and Electric Induction，类别为 美国物理杯赛(Physics Bowl)
[单选题]
09.23: A person rubs a neutral comb through their h(k dnak.r*d.wu;tu i(c yam87sxj-imvf, /3mair and the comb becomes negatively charged. Which of the following , f- mvm3s/xijis the best explanation for this phenomenon?
A. The hair gains protons from the comb.
B. The hair gains protons from the comb while giving electrons to the comb.
C. The hair loses electrons to the comb.
D. The comb loses protons to the person’shand holding the comb.
E. The comb loses protons to the person’shand while also gaining electrons from the hair.
参考答案: C
本题详细解析:
暂无
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