Exercise 9

Equilibrium point between charges of the same sign

Theory used: Equilibrium position between two fixed charges

Two point charges $q_{1} = + 1.0 nC$ and $q_{2} = + 9.0 nC$ are fixed in vacuum at $x = 0$ and at $x = 0.40 m$ . Determine the point at which a third charge, subject only to the forces of $q_{1}$ and $q_{2}$ , is in equilibrium.

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