Physics
posted by Jake .
Water flows through a pipe of radius 4 cm at a rate of 3.5 m/s. Suppose each water molecule is singly ionized (highly unrealistic).
a) What is the electric current density associated with the flow of these ions?
b) What is the electric current in the pipe?

Physics 
Damon
current is Coulombs per second. What did you try to do?
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