A potentiometer wire has length 4m and resistance 8Ω. The resistance that must be connected in series with the wire and an accumulator of e.m.f. 2V

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A potentiometer wire has length 4m and resistance 8Ω. The resistance that must be connected in series with the wire and an accumulator of e.m.f. 2V, so as the get a potential gradient 1mV per cm` on the wire is
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Dec
A potentiometer wire has length 4m and resistance 8Ω. The resistance that must be connected in series with the wire and an accumulator of e.m.f. 2V, so as the get a potential gradient 1mV per cm` on the wire is A potentiometer wire has length 4m and resistance 8Ω. The resistance that must be connected [...]
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