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प्रश्न
How did Coulomb investigate the dependence of force on charge?
विकल्प
He varied the masses while keeping the charges fixed
He varied the charges in pairs, keeping the distance fixed, and compared forces for different pairs at different distances
He kept the charges fixed and varied only the distance
He changed the size of the spheres without measuring force
MCQ
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उत्तर
Coulomb varied the charges in pairs while keeping the distance fixed. He compared the forces for different pairs at different distances.
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