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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > An ionization chamber with parallel conducting plates as anode and cathode has 5×10^7 electrons and the same number of singly-charged positive ions per cm^2. The electrons are moving at 0.4 m/s. The current density from anode to cathode is 4 μA/ m^2. The velocity of positive ions moving towards cathode is

An ionization chamber with parallel conducting plates as anode and cathode has 5×10^7 electrons and the same number of singly-charged positive ions per cm^2. The electrons are moving at 0.4 m/s. The current density from anode to cathode is 4 μA/ m^2. The velocity of positive ions moving towards cathode is

A steady current flows in a metallic conductor of non- uniform cross - section. The quantity constant along the length of the conductor is /are