(Science: radiobiology) tendency for a material/substance to resist the flow of electrical current and to dissipate its energy. Resistivity, when combined with certain geometry factors (generally length and cross-sectional area for wires) determines resistance.
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oh you're right blcr, the resistivity of the pipe is inversely proportional to cross-sectional area(diameter) and a large diameter indicates lower resistivity so a resistivity less than 3 represents too large of a pipe. it is also proportional ...
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