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Salt water contains n sodium ions (Na+) ...

Salt water contains n sodium ions (Na+) per cubic meter and n chloride ions (CI-) per cubic meter. A battery is conneted to metal rods that dip into a narrow pipe full of salt water. The cross sectional area of the pipe is A. The magnitude of the drift velocity of the sodium lons is `V_(Na)` and the megnitude of the drift velocity of the chloride ions is `V_(CI)` Assume that `N_(Na)gtC_(CI)`(+e is the charge of a proton).

What is the magnitude of the ammeter reading ?

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