Magnetics 1 Question 13
13. An ionized gas contains both positive and negative ions. If it is subjected simultaneously to an electric field along the
(2000, 2M)
(a) positive ions deflect towards
(b) all ions deflect towards
(c) all ions deflect towards
(d) positive ions deflect towards
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Answer:
Correct Answer: 13. (c)
Solution:
- We can write
Velocity of the particle will be along
In
Now, magnetic force on the particle will be
Since,
