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How many electrons have to be added to 1 milligram metal sphere such that another +1C...

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Physics

How many electrons have to be added to 1 milligram metal spheresuch that another +1C charge located 19 mm above the sphere will beable to hold that in the air?[Assume g=10m/s^2].

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3.5 Ratings (519 Votes)
in this we need to balance he force of    See Answer
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