An electron moves with uniform velocity →v and enters a region of uniform magnetic field →B . If →v and →B are parallel to each other, then the electron will
A
Continue to move in the same direction
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B
Move in a direction perpendicular to →B
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C
Move in a circular path
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D
Will not move
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Solution
The correct option is A Continue to move in the same direction −→FB=q(→vX→B)
→v∥→B⟹θ=0 then →FB=0 electron will continue to move in same direction