Q)
Two point charges are located on the x–axis, $q_1 = – 1 m\;C$ at $x = 0$ and $q_2 = + 1 m\;C$ at $x = 1\; m$. Find the work that must be done by an external force to bring a third point charge $q_3 = +1 m\;C$ from infinity to $x = 2$ m.
1 Answer
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