An ionized gas contains both positive and negative ions initially at rest. If it is subjected simultaneously to an electric field along the +x-direction and a magnetic field along the +z-direction, then
Text Solution
Verified by ExpertsThe correct answer is:
D
If charge q is positive, then due to electric field their velocity will be towards positive X-axis.
Now, 
where, 
towards 
and 
towards 
towards 
(i.e. -y-direction)
Similarly, we can see with -q charge.
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