Physics Unit16: Electric Charge and Electric Field (id: 58fba35ac)

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]
A piece of plastic has a net chargo6roi:tvh+y - e of +2.00 mC. How many more protons 3; 4 xja3ugwjqthan electrons does this piece of plastic havew3;3jqgau4x j?

A. $1.25 \times 10^{13}$
B. $1.25 \times 10^{19}$
C. $2.50 \times 10^{13}$
D. $2.50 \times 10^{19}$


参考答案:  A


本题详细解析: 暂无

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