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04-06-2023
Physics

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To convert a Galvanometer of internal resistance RG = 200 2 into Ammeter a small resistance connected in parallel with the Galvanometer using a wire of resistance per length equal (2000/km). If the maximum current can be measured by the constructed Ammeter is 10A, assuming that the maximum current sustained by the Galvanometer is equal 0.8 mA. What is the length of the wire used to build up this ammeter?

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