Three point charges are located on the x-axis. The first charge, q_{1} = 10.0 µC, is at x = −1.00 m; the second charge, q_{2} = 20.0 µC, is at the origin; and the third charge, q_{3} = −30.0 µC, is located at x = 2.00 m. Which charge is subjected to the force of greatest magnitude?

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q_{1}

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q_{2}

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q_{3}

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q_{1} and q_{2} (equal)

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q_{2} and q_{3} (equal)