The total charge that flows through the device is 450 coulombs, which corresponds to approximately 2.81 x 10^21 electrons flowing through within 30 seconds. This is calculated using the current of 15.0 A over the time period. Each electron has a charge of about 1.6 x 10^-19 coulombs.
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The term that describes the percent of the labor force that is unemployed is known as** unemployment rate ** ;