Physics, 27.09.2021 20:00 JamierW2005

A potentiometer wire of length 1m and resistance 2Ω is connected in series with a variable resistance and 2V accumulator of negligible resistance. What must be the variable resistance so that the fall of electric potential across the wire is 1mV/cm?

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A potentiometer wire of length 1m and resistance 2Ω is connected in series with a variable resistanc...