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  2. Electrical resistivity and conductivity - Wikipedia

    en.wikipedia.org/wiki/Electrical_resistivity_and...

    Electrical conductivity of water samples is used as an indicator of how salt-free, ion-free, or impurity-free the sample is; the purer the water, the lower the conductivity (the higher the resistivity). Conductivity measurements in water are often reported as specific conductance, relative to the conductivity of pure water at 25 °C.

  3. Electrical steel - Wikipedia

    en.wikipedia.org/wiki/Electrical_steel

    The typical relative permeability (μ r) of electrical steel is 4,000-38,000 times that of vacuum, compared to 1.003-1800 for stainless steel. [ 15 ] [ 16 ] [ 17 ] The magnetic properties of electrical steel are dependent on heat treatment , as increasing the average crystal size decreases the hysteresis loss.

  4. Wiedemann–Franz law - Wikipedia

    en.wikipedia.org/wiki/Wiedemann–Franz_law

    Electrical conduction of metals is a well-known phenomenon and is attributed to the free conduction electrons, which can be measured as sketched in the figure. The current density j is observed to be proportional to the applied electric field and follows Ohm's law where the prefactor is the specific electrical conductivity .

  5. Electrical resistivities of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Electrical_resistivities_of...

    As quoted in an online version of: David R. Lide (ed), CRC Handbook of Chemistry and Physics, 84th Edition.CRC Press. Boca Raton, Florida, 2003; Section 4, Properties of the Elements and Inorganic Compounds; Physical Properties of the Rare Earth Metals

  6. Aluminium-conductor steel-reinforced cable - Wikipedia

    en.wikipedia.org/wiki/Aluminium-conductor_steel...

    Aluminium-clad steel offers increased corrosion protection and conductivity at the expense of reduced tensile strength. Aluminium-clad steel is commonly specified for coastal applications. IEC and CSA use a different naming convention. The most commonly used steel is S1A for S1 regular strength steel with a class A coating.

  7. Solder alloys - Wikipedia

    en.wikipedia.org/wiki/Solder_alloys

    KappFree provides good joint strength, vibration resistance, and thermal cycle fatigue resistance in both piping and electrical products as opposed to tin-lead solders. Higher working temperature. Wets well to brass, copper, and stainless steel. Good electrical conductivity. [87] Sn 95 Ag 4 Cu 1: Yes: Sn 90.7 Ag 3.6 Cu 0.7 Cr 5: 217: 1050 [90 ...

  8. Conductivity (electrolytic) - Wikipedia

    en.wikipedia.org/wiki/Conductivity_(electrolytic)

    Conductivity or specific conductance of an electrolyte solution is a measure of its ability to conduct electricity. The SI unit of conductivity is siemens per meter (S/m). Conductivity measurements are used routinely in many industrial and environmental applications as a fast, inexpensive and reliable way of measuring the ionic content in a ...

  9. Metal–insulator transition - Wikipedia

    en.wikipedia.org/wiki/Metal–insulator_transition

    Metal–insulator transitions are transitions of a material from a metal (material with good electrical conductivity of electric charges) to an insulator (material where conductivity of charges is quickly suppressed).