What is the net number of electrons per second that pass...

What is the net number of electrons per second that pass through the cross-section of a wire carrying $5 \mathrm{~A}$ of dc current? The current flow is due to electrons, and the magnitude of the charge of each electron is $1.60 \times 10^{-19} \mathrm{C}$.

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Key Concepts

Electric Current

Electric current is the flow of electric charge per unit time, measured in amperes (A). One ampere represents one coulomb of charge passing through a given point in a circuit per second. This concept is fundamental in understanding how electrical circuits behave and is key to analyzing the movement of charged particles.

Elementary Charge

The elementary charge is the fundamental unit of electric charge, which is the charge carried by a single electron or proton. Its magnitude is approximately 1.60 × 10?¹? coulombs. This concept is essential in quantifying how many individual charged particles contribute to a given total charge.

Relationship Between Current and Charge Carriers

The relationship between current, the elementary charge, and the number of charge carriers is established by the equation I = n × e, where I represents the current, n is the number of charge carriers (such as electrons) per second, and e is the elementary charge. This concept allows us to convert between the macroscopic measurement of current and the microscopic dynamics of electron flow.

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