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Potential energy of a system of 3 charges | Electrostatic potential & capacitance | Khan Academy
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To calculate the electrostatic potential energy of a system of charges, we find the total work done, by the external agent, in assembling those charges. Since electrostatic fields are conservative, the work done is path-independent. And so, we can assemble the charges one by one, and calculate the work done in each step, and them together.
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Created by Mahesh Shenoy
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Mahesh Shenoy
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