Q. 2. Where is the center of the New Boston supposed to be?
举一反三
- 如图2所示,一接地导体球外有一点电荷Q, Q距球心为2R,则导体球上的感应电荷为[img=188x187]17e0ad8ced9da70.png[/img] A: 0. B: -Q. C: +Q/2. D: –Q/2.
- 2. The question＿＿＿now is where to build the new factory.
- A spherical conducting shell has charge Q. A particle with charge q is placed at the center of the cavity. The charge on the inner surface of the shell and the charge on the outer surface of the shell, respectively, are: A: 0, Q B: q, Q −q C: Q, 0 D: −q, Q + q E: −q, 0
- They_did what they where supposed to do.
- W: Are you glad that you came to WashingtonM: Yes, indeed, I’d considered going to New York or Boston, but I’ve never regretted my decision. Where is the man now(). A: In Washington. B: In New York. C: In Boston.