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09-08-2020
Physics

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An electric device delivers a current of 5.0 A to a circuit. How many electrons flow through this circuit in 5 s?

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MathPhys MathPhys

10-08-2020

Answer:

1.6×10²⁰

Explanation:

An ampere is a Coulomb per second.

1 A = 1 C / s

The amount of charge after 5 seconds is:

5.0 A × 5 s = 25 C

The number of electrons is:

25 C × (1 electron / 1.6×10⁻¹⁹ C) = 1.6×10²⁰ electrons

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