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April 26, 2015

Homework Help: PHYSICS-electricity & magnetism

Posted by Brandon on Friday, February 24, 2012 at 1:34pm.

An electric field exits inside a fluorescent tube of diameter 3.00cm. In one second, 2.00x10^18 electrons and 0.50x10^18 positive ions pass through a certain cross section. What is the current in the tube?

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