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发帖数: 2064 | 1 There is only one correct answer.
1. A horizontal rod (east-west direction) is moved northward, parallel to
itself, at constant velocity, through a magnetic field that points south.
Which statement is true?
a) the west end of the rod is at higher potential than the east end
b) the east end of the rod is at higher potential than the west end
c) the top surface of the rod is at higher potential than the bottom
surface
d) the bottom surface of the rod is at higher potential than the |
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