本题目来源于试卷: Electric Field and Electric Induction，类别为 美国物理杯赛(Physics Bowl)
[单选题]
94.07: A positively charged conductor attracts a second object. Wh,sw)qbw (hj76zuyn i8e4*gnp g -6rbozxu /y,s fxn)g0u.hv4ich of the following state g6 bfrz/h0nxous ) .gxy,u-4vments could be true?
I. The second object is a conductor with negative net charge.
II. The second object is a conductor with zero net charge.
III. The second object is an insulator with zero net charge.
A. I only
B. II only
C. III only
D. I & II only
E. I, II & III
参考答案: E
本题详细解析:
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