A. Nerve cells, such as the one shown in the diagram to right, transmit electrical signals between sensory receptors and the brain, and then to the muscles. A nerve cell, consists of a cell body with dendrites where the signals come in, and a long axon at the other end where signals are sent out. The axon has a membrane with a 90 mV potential difference across an 8.0 nm thick membrane. The axon is like a long tube, with a radius of 5 µm and a length of 1 m. The dielectric constant of the membrane is 7. Given the radius of the axon and the thickness of the membrane, what sort of capacitor can you treat the axon membrane as being equivalent to? dendrite Cell body i.
A. Nerve cells, such as the one shown in the diagram to right, transmit electrical signals between sensory receptors and the brain, and then to the muscles. A nerve cell, consists of a cell body with dendrites where the signals come in, and a long axon at the other end where signals are sent out. The axon has a membrane with a 90 mV potential difference across an 8.0 nm thick membrane. The axon is like a long tube, with a radius of 5 µm and a length of 1 m. The dielectric constant of the membrane is 7. Given the radius of the axon and the thickness of the membrane, what sort of capacitor can you treat the axon membrane as being equivalent to? dendrite Cell body i.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter28: Current And Resistance
Section: Chapter Questions
Problem 48PQ
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