An electrostatic paint sprayer has a 0.6 m diameter metal sphere at a potential of 12 kv that repels paint droplets onto a grounded object. what charge is on the sphere? give answer in terms of 10-7 c.

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In atoms, the electron carries a negative elementary or unit charge; the proton carries a positive charge. the two types of charge are equal and opposite. in an atom of matter, an electrical charge occurs whenever the number of protons in the nucleus differs from the number of electrons surrounding that nucleus.