University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
Section: Chapter Questions
Problem 21CQ: What is wrong with the following expressions? How can you correct them? (a) C=AB , (b) C=AB , (c)...
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As shown, a single cell in a sample of tissue can be modeled by a circuit consisting of two resistors and a capacitor. RI is the resistance of the fluid in the cell’s interior, RE the resistance of the fluid surrounding the cell, and C the capacitance of the cell membrane.
a. In one experiment, a 100 nA current I has been passing through the circuit for a long time. What is the potential difference across the capacitor?
b. The current is suddenly turned off. How long does it take for the potential difference between points a and b to reach onehalf of its initial value?
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