Solved: Four equal positive point charges, each of charge
Chapter , Problem 89(choose chapter or problem)
Four equal positive point charges, each of charge 8.0 jjlC, areat the corners of a square of side 9.2 cm. What charge shouldbe placed at the center of the square so that all charges areat equilibrium? Is this a stable or unstable equilibrium(Section 12-3) in the plane?
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