Saturday
May 30, 2015

Homework Help: physics

Posted by scott on Tuesday, May 21, 2013 at 7:24pm.

If a metal wire carries a current of 79
.
0 mA,
how long does it take for 7.90
×
10
20
electrons
to pass a given cross-sectional area anywhere
along the wire? The fundamental charge is
1
.
602
×
10

19
C.
Answer in units of s

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