Physics, 14.02.2020 04:52 nooooooooooooooo412
A cell membrane consists of an inner and outer wall separated by a distance of approximately 10nm. Assume that the walls act like a parallel plate capacitor, each with a charge density of 10?5C/m2, and the outer wall is positively charged. Although unrealistic, assume that the space between cell walls is filled with air.
PART A. What is the magnitude of the electric field between the membranes?
1ร106N/C
1ร10?15N/C
5ร10?5N/C
9ร10?2N/C
PART B. What is the magnitude of the force on a K+ ion between the cell walls?
2ร10?13N
9ร10?13N
2ร10?11N
3ร10?12N
PART C. What is the potential difference between the cell walls?
6ร10?3V
1ร107V
10V
1ร10?2V
Answers: 3
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A cell membrane consists of an inner and outer wall separated by a distance of approximately 10nm. A...
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