The membrane that surrounds a certain type of living cell has a surface area of 4.4 x 10-9 m² and a thickness of 1.5 x 108 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 4.1. (a) The potential on the outer surface of the membrane is +79.6 mV greater than that on the inside surface. How much charge resides on the outer surface? (b) If the charge in part (a) is due to K+ ions (charge +e), how many such ions are present on the outer surface? (a) Number (b) Number i Units Units W

The membrane that surrounds a certain type of living cell has a surface area of 4.4 x 10-9 m² and a thickness of 1.5 x 108 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 4.1. (a) The potential on the outer surface of the membrane is +79.6 mV greater than that on the inside surface. How much charge resides on the outer surface? (b) If the charge in part (a) is due to K+ ions (charge +e), how many such ions are present on the outer surface? (a) Number (b) Number i Units Units W

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter16: Electrical Energy And Capacitance

Section: Chapter Questions

Problem 32P: Air breaks down and conducts charge as a spark if the electric field magnitude exceeds 3.00 106...

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