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]
Consider point charges of +Q and +4Q, wjq q;i*.5u9)wbmswflqfaa . *hich are separated uru amz1;0j 9a:r72y dt qifx3by 3.0 m. At what point, on a line between the two charges, would it be possible to place1i 2j:9a0xad zu ft7qyr3ur;m a charge of -Q such that the electrostatic force acting on it would be zero?
A. There is no such point possible.
B. 1.0 m from the +Q charge
C. 1.0 m from the +4Q charge
D. 0.60 m from the +Q charge
参考答案: B
本题详细解析:
暂无
| 
