Physics Unit16: Electric Charge and Electric Field (id: 96b026df3)

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]
Two point charges each have a value of 3.0 Ch1(4oi htb(;tgoo65x pp g9rt and are separated by a 5t4xk+py vhz9vyi ceae8hhbg(5nbf m7 ;50j2distance of 4.0 m. What is the electric field at a point mj5 92yy;p7+gtkixfvbem 0 5( vaehhz8nh5cb4idway between the two charges?

A. zero
B. $9.0\times {10}^{7}N/C$
C. $18\times {10}^{7}N/C$
D. $4.5\times {10}^{7}N/C$


参考答案:  A


本题详细解析: 暂无

微信扫一扫，分享更方便