Final answer:
To determine the number of electrons that move through a cross-section of the aluminum wire each day, we need to calculate the number of electrons passing through the wire every second and then multiply it by the number of seconds in a day.
Step-by-step explanation:
To determine the number of electrons that move through a cross-section of the aluminum wire each day, we need to calculate the number of electrons passing through the wire every second and then multiply it by the number of seconds in a day.
The formula to calculate the number of electrons passing through a cross-section of a wire per second is:
Number of electrons per second = (current (I) / charge of an electron (e)) x cross-sectional area of the wire/drift velocity of the electrons
By plugging in the given values: current (I) = 2.0x10^-4 m/s, diameter (d) = 1.5 mm, and using the charge of an electron (e) = 1.6x10^-19 C, we can calculate the number of electrons passing through the wire each day.