25. Electric Potential
Relationships Between Force, Field, Energy, Potential
5:33 minutes
Problem 25.6
Textbook Question
Textbook Question(III) During an action potential, Na⁺ ions move into the cell at a rate of about 3 x 10⁻⁷ mol/m² • s. How much power must be produced by the “active Na⁺ pumping” system to produce this flow against a +30-mV potential difference? Assume that the axon is 10 cm long and 20 μm in diameter.
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