Physics Unit27: Early Quantum Theory and Models of the Atom (id: 9509368b9)

[单选题]
In a pair of accelerating plagmlvg. h3mhq4k hi0+:-k6ip p 7g7dvftes, such as found inside a CRT, the elblgyosamc8+.;2 h9. yu sb(ap ectrons are e.bhaub 9;m2 .yys 8 (s+aolcpgmitted

A. from the cathode which is positive, toward the anode which is positive.
B. from the cathode which is negative, toward the anode which is positive.
C. from the anode which is positive, toward the cathode which is negative.
D. from the anode which is negative, toward the cathode which is positive.


参考答案:  B


本题详细解析: 暂无