A device carrying a current of 15.0 A for 30 seconds moves approximately 2.81 × 1 0 21 electrons. This is calculated using the total charge delivered and the charge of a single electron. By combining these values through straightforward formulas, we arrive at the number of electrons.
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The roles of women changed significantly during the Industrial Revolution as they began to work in factories, gaining economic independence. This shift led to greater participation in the workforce, although women were not paid equally to men. The changes initiated movements towards women's rights and set the stage for future advancements in gender equality. ;