Physics, 21.10.2019 21:20 ayalat9596

What is the electric potential v created at distance z above the center of a 20 lepta 1971 greek coin that has been charged with total charge q? treat the coin as a disk with a hole, so that its inner radius is a and its outer radius is b.

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What is the electric potential v created at distance z above the center of a 20 lepta 1971 greek coi...