Physics, 17.01.2020 19:31 trentdhall56
The membrane that surrounds a certain type of living cell has a surface area of 5.1 x 10-9 m2 and a thickness of 1.4 x 10-8 m.
assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 4.3.
(a) the potential on the outer surface of the membrane is +85.5 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?
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