Question
Biologists measure the total current due to potassium ions moving through the membrane of a rock crab neuron cell as $29 \mathrm{nA}$. How many ions pass through the membrane each second?
Step 1
The charge of a potassium ion (q) is $1.6 \times 10^{-19} \, \text{C}$, the time (t) is $1 \, \text{s}$, and the current (I) is $29 \, \text{nA} = 29 \times 10^{-9} \, \text{A}$. Show more…
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Biologists measure the total current due to potassium ions moving through the membrane of a rock crab neuron cell as 30 nA. How many ions pass through the membrane each second?
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