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Resistività Nichel-Cromo: 1,5 * 10^(-6) ohm per metro (wikipedia)
R≥(1,5 * 10^(-6))/(3,14*(3*10^(-4))^2)
R≥5.30 ohm circa.
se 0.3 mm corrisponde al diametro del filo.
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________________________________ ProtoMeter 2 By Protomax: 32bit ARM core + ZigBee Radio all in one Telemetry system |