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 h x,ca-l y7 d4jb6n,b8 qe6tyg4 e2fiovas a net charge of +2.00 mC. How many more protons than eleyfb2,e-iad4b6q t6yvxl c, o487gn ej vlltx3ybkkqo s4(45qhju-14ctrons does this piece of plas5yhv4xk4ltoq(qk3 s1ju l-b4tic have?
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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