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July 1, 2015

Homework Help: physics

Posted by bre on Tuesday, February 22, 2011 at 11:09pm.

If a metal wire carries a current of 130 mA,
how long does it take for 3.50×10
20
electrons
to pass a given cross-sectional area anywhere
along the wire? The magnitude of the charge
on an electron is 1.6 × 10
−19
C.
Answer in units of s.

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