An ionization chamber with parallel conducting plates as anode and cathode has 
electrons and the same number of singly-charged positive ions per 
. The electrons are moving at 0.4 m/s. The current density from anode to cathode is 
. The velocity of positive ions moving towards cathode is
Text Solution
Verified by ExpertsThe correct answer is:
D
Here, number of electrons
No. of positive ions,
Use the relation
and solve it for 
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