Electric Field As Derivative of Potential Video Lessons

Concept

# Problem: A 8.0 nm thick cell membrane undergoes an action potential that follows the curve in the figure.What is the strength of the electric field inside the membrane at the peak of the depolarization?

###### FREE Expert Solution

Electric field:

$\overline{){\mathbf{E}}{\mathbf{=}}{\mathbf{-}}\frac{\mathbf{∆}\mathbf{V}}{\mathbf{∆}\mathbf{x}}}$

At the peak of depolarizatin, ΔV = 40mV(10-3V/1mV) = 40 × 10-3 V

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###### Problem Details

A 8.0 nm thick cell membrane undergoes an action potential that follows the curve in the figure.

What is the strength of the electric field inside the membrane at the peak of the depolarization?

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