When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  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. List of thermal conductivities - Wikipedia

    en.wikipedia.org/wiki/List_of_thermal_conductivities

    *The P Conductivity is the conductivity of polycrystalline Tin. TPRC Tin is well annealed 99.999+% pure white tin with residual electrical resistivity ρ 0 =0.000120, 0.0001272 & 0.000133 μ Ω cm respectively for the single crystal along directions perpendicular ⊥ {\displaystyle \perp } and parallel ∥ {\displaystyle \parallel } to the c ...

  4. Copper - Wikipedia

    en.wikipedia.org/wiki/Copper

    Copper's superior conductivity enhances the efficiency of electrical motors. [136] This is important because motors and motor-driven systems account for 43–46% of all global electricity consumption and 69% of all electricity used by industry. [137] Increasing the mass and cross section of copper in a coil increases the efficiency of the motor.

  5. International Annealed Copper Standard - Wikipedia

    en.wikipedia.org/wiki/International_Annealed...

    The standard is most often used as a comparative property in the specification of the conductivity of other metals. For example, the conductivity of a particular grade of titanium may be specified as 1.2 % IACS, meaning that its electrical conductivity is 1.2 % of the copper specified as the IACS standard. [2]

  6. Thermal conductivities of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Thermal_conductivities_of...

    As quoted from various sources in an online version of: David R. Lide (ed), CRC Handbook of Chemistry and Physics, 84th Edition.CRC Press. Boca Raton, Florida, 2003; Section 12, Properties of Solids; Thermal and Physical Properties of Pure Metals / Thermal Conductivity of Crystalline Dielectrics / Thermal Conductivity of Metals and Semiconductors as a Function of Temperature

  7. Copper conductor - Wikipedia

    en.wikipedia.org/wiki/Copper_conductor

    Thermal conductivity is the ability of a material to conduct heat. In electrical systems, high thermal conductivity is important for dissipating waste heat, particularly at terminations and connections. Copper has a 60% higher thermal conductivity rating than aluminium, [17] so it is better able to reduce thermal hot spots in electrical wiring ...

  8. Charge carrier density - Wikipedia

    en.wikipedia.org/wiki/Charge_carrier_density

    However, usually carrier concentration is given as a single number, and represents the average carrier density over the whole material. Charge carrier densities involve equations concerning the electrical conductivity , related phenomena like the thermal conductivity , and chemicals bonds like covalent bond .

  9. Oxygen-free copper - Wikipedia

    en.wikipedia.org/wiki/Oxygen-free_copper

    The CuOFP capsule used as overpack for spent nuclear fuel disposal in the KBS-3 concept (Swedish version). Oxygen-free copper (OFC) or oxygen-free high thermal conductivity (OFHC) copper is a group of wrought high-conductivity copper alloys that have been electrolytically refined to reduce the level of oxygen to 0.001% or below.