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in Physics by (20 points)
Two equal positive charge 'Q' are fixed at point B(a,0) and A(-a,0). Another test charge q• is also placed at O(0,0). Show that the equilibrium at 'O' is:

(i) Stable for displacement along x-axis.

(ii) Unstable for displacement along y-axis.

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1 Answer

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by (25 points)

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