Question

An electron moving with constant velocity passes
through a region of space without change in its
velocity. If E and B represent electric and magnetic
field respectively, the region of space may have
(1) E = 0, B = 0 (2) E = 0, B=0
(3) E+0, B=0
(4) All of these​

Answer 1

︎︎︎

︎︎︎

︎︎︎

︎︎︎

︎︎︎

︎︎︎︎︎︎

︎︎︎

︎︎︎

︎︎︎

︎︎︎

︎︎︎

︎︎︎

︎︎︎

︎︎︎︎︎︎

︎︎︎

︎︎︎

︎︎︎

︎︎︎

︎︎︎

︎︎︎

︎︎︎︎︎︎

︎︎︎

︎︎︎

Answer 2

3

dj dj do dj dj TX an IC an IC an IC an FM lb Zhang