An axon has a surface area of 5 x 10-6 m² and the membrane is 8 x 10-⁹ m thick. The dielectric constant of the membrane is 6. Calculate the energy density of that field. Express your answer with the appropriate units. μA ?

An axon has a surface area of 5 x 10-6 m² and the membrane is 8 x 10-⁹ m thick. The dielectric constant of the membrane is 6. Calculate the energy density of that field. Express your answer with the appropriate units. μA ?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter21: Electric Fields

Section: Chapter Questions

Problem 82A

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Question

The magnitude of the electric field across the membrane due to the opposite sign charges is 1*10^7 V/m. The potential difference across the membrane wall is 0.080 V.

An axon has a surface area of 5 x 10-6 m² and the membrane is
8 x 10-⁹ m thick. The dielectric constant of the membrane is 6.
Calculate the energy density of that field.
Express your answer with the appropriate units.
μA
?

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