Cell membranes contain channels that allow K+ ions to leak out. Consider a channel that has a diameter of 3.00 nm and a length of 14.0 nm. If the channel has a resistance of 20.0 GQ, what is the resistivity p of the solution in the channel?

Cell membranes contain channels that allow K+ ions to leak out. Consider a channel that has a diameter of 3.00 nm and a length of 14.0 nm. If the channel has a resistance of 20.0 GQ, what is the resistivity p of the solution in the channel?

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 67PQ

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Question

Cell membranes contain channels that allow K+ ions to leak out. Consider a channel that has a diameter of 3.00 nm and a length
of 14.0 nm.
If the channel has a resistance of 20.0 GQ, what is the resistivity p of the solution in the channel?
P =
Ωm

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