Answer to Question #287494 in Electromagnetism for Great

Question #287494

four equal charge, Q = 2 microcoulomb,are located at the corners of a square that is 0.50m on a side. What is the potential energy of the array?


1
Expert's answer
2022-01-14T09:46:13-0500

The potential energy of this configuration is


"U=2\u00b7\\dfrac 1{4\\pi\\epsilon_0}\\dfrac{q^2}{a}+\\dfrac 1{4\\pi\\epsilon_0}\\dfrac{q^2}{a\\sqrt2}=0.19\\text{ J}."


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