An electron enters a region where magnetic induction \( B \) and electric field strength \( E \)...

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An electron enters a region where magnetic induction \( B \) and electric field strength \( E \) are mutually perpendicular, then :
(A) It will always move in the direction of \( B \)
(B) It will always move in the direction of \( E \)
(C) It always possess circular motion
(D) It can go undeflected
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