November 28, 2015

Homework Help: physics 2

Posted by Diane on Thursday, February 4, 2010 at 2:37pm.

The inner and outer
surface of a cell membrane carry a negative and a positive charge, respectively. Because of these
charges, a potential difference of about 0.070 V exists across the membrane. The thickness of
the cell membrane is 8.0 10−9m. What is the magnitude of the electric field in the membrane?

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