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The currents in our experiment are between 0 and 20 nanoAmperes. How many electrons per second are passing an ammeter if it reads 10 nA

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Oladayoademosuidn

The number of electrons per second passing an ammeter if it reads 10 nA is 6.24 × 10⁹ electrons per second

Since our current reads 10 nA and we require the number of electrons per second passing through the ammeter, 10 nA = 1 × 10⁻⁹ C/s.

Since there are 1.602 × 10⁻¹⁹ C/electron, the number of electrons per second, n = current/electron charge

= 1 × 10⁻⁹ C/s ÷ 1.602 × 10⁻¹⁹ C/electron

= 1/1.602 × 10¹⁰ electrons  

= 0.62422 × 10¹⁰ electrons per second

= 6.2422 × 10⁹ electrons per second

≅ 6.24 × 10⁹ electrons per second

So, the number of electrons per second passing an ammeter if it reads 10 nA is 6.24 × 10⁹ electrons per second

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