Two equal charges, \( 2.0 \times 10^{-7} \mathrm{C} \) each, are held fixed at a separation of \...

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Two equal charges, \( 2.0 \times 10^{-7} \mathrm{C} \) each, are held fixed at a separation of \( 20 \mathrm{~cm} \). A third charge of equal magnitude is placed midway between the two charges. It is now moved to a point \( 20 \mathrm{~cm} \) from both the charges. How much work is done by the electric field during the process?
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