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In Social Studies / College | 2025-07-03

An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

Asked by iris778922

Answer (2)

The correct answer is longitudinal research design, which studies the same subjects over time to analyze changes in specific variables. This approach differs from cross-sectional, descriptive, and correlational designs, focusing on long-term data collection. Examples include tracking academic performance over many years to observe developmental changes. ;

Answered by GinnyAnswer | 2025-07-03

The number of electrons flowing through the device delivering 15.0 A for 30 seconds is approximately 2.81 × 1 0 21 . This is calculated using the total charge delivered and the charge of a single electron. The formulae used are based on the relationships between current, charge, and time.
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Answered by Anonymous | 2025-07-04

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