About one-third of children worldwide reach secondary education, reflecting disparities influenced by various factors. While developed regions see nearly universal transitions from primary to secondary education, challenges in developing countries lead to significant gaps. Efforts to improve access and address economic and cultural barriers are essential for increasing educational attainment. ;
The device delivers a current of 15.0 A for 30 seconds, resulting in a total charge of 450 coulombs. This equates to approximately 2.81 x 10^21 electrons flowing through the device. The calculations involve using the relationship between current, charge, and the charge of an electron.
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