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.

College Physics
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Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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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.
Transcribed Image Text: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.
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