Homework Help: Physics 112

Posted by Anonymous on Tuesday, January 18, 2011 at 1:24am.

The inner and outer surfaces of a cell membrane carry a negative and a positive charge, respectively. Because of these charges, a potential difference of about 0.075 V exists across the membrane. The thickness of the cell membrane is 7.80 10-9 m. What is the magnitude of the electric field in the membrane?

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