- 27 Earnshaw S Theorem Says That No Particle Can Be In Stable Equilibrium Under The Action Of Electrostatic Forces Alone 1 (41.01 KiB) Viewed 80 times
27. Earnshaw's theorem says that no particle can be in stable equilibrium under the action of electrostatic forces alone
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27. Earnshaw's theorem says that no particle can be in stable equilibrium under the action of electrostatic forces alone
27. Earnshaw's theorem says that no particle can be in stable equilibrium under the action of electrostatic forces alone. Consider, however, point P at the center of a square of four equal positive charges, as in Fig. 25-15. If you put a positive test charge there it might seem to be in stable equilibrium. Every one of the four external charges pushes it toward P, yet Earnshaw's theorem holds. Can you explain how? 9 19 9 9 FIGURE 25-15. Question 27.
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