A) be deflected to the left without increase in speed
B) be deflected to the right without increase in speed
C) not be deflected but its speed will decrease
D) not be deflected but its speed will increase
E) be deflected to the right with increase in speed
Correct Answer: C
Solution :
As electron is moving parallel to both the fields, so magnetic force does not affect the electrons motion. But electric force\[(qE)\]acts opposite to motion of electron. Hence, electron will not be deflected but its speed decreases.
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