本题目来源于试卷: Physics Unit16: Electric Charge and Electric Field，类别为 国际高中通用物理
[单选题]
Two point charges of +3.0 mC andq ij))psefrn:v ( 2ov- -7.0 mC are placed at x = 0 and x =:8 qboky-fs dq3)w 7aew1p 7ih 0.20 m. What is the magnitude of the electric fiey)7f7 d-s1 ahqwoe iwbp k:83qld at the point midway between them?
A. $1.8 \times 10^{6} \; N/C$
B. $3.6 \times 10^{6} \; N/C$
C. $4.5 \times 10^{6} \; N/C$
D. $9.0 \times 10^{6} \; N/C$
参考答案: D
本题详细解析:
暂无
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