Multiple Choice
An electron enters a region of uniform perpendicular fields. It is observed that the velocity
of the electron is unaffected. A possible explanation is:
A) is parallel to
and has magnitude E/B
B) is parallel to
C) is perpendicular to both
and has magnitude B/E
D) is perpendicular to both
and has magnitude E/B
E) the given situation is impossible
Correct Answer:

Verified
Correct Answer:
Verified
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