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Physics, 31.01.2020 22:49 princessss30188

At a distance of 0.75 meters from its center, a van der graff generator interacts as if it were a point charge, with that charge concentrated at its center. a test charge at that distance experiences an electric field of 4.5 × 105 newtons/coulomb. what is the magnitude of charge on this van der graff generator?

a. 1.7 × 10ˆ-7 coulombs
b. 2.8 × 10ˆ-7 coulombs
c. 3.0 × 10ˆ-7 coulombs
d. 8.5 × 10ˆ-7 coulombs

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