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Manganin is a trademarked name for an alloy of typically 84.2% copper, 12.1% manganese, and 3.7% nickel. It was first developed by Edward Weston in 1892, improving upon his Constantan (1887). Manganin foil and wire is used in the manufacture of resistors , particularly ammeter shunts , because of its virtually zero temperature coefficient of ...
Copper alloys of manganese, such as Manganin, are commonly found in metal element shunt resistors used for measuring relatively large amounts of current. These alloys have very low temperature coefficient of resistance and are resistant to sulfur. This makes the alloys particularly useful in harsh automotive and industrial environments.
Edward Weston (May 9, 1850 – August 20, 1936) was an English-born American chemist and engineer noted for his achievements in electroplating and his development of the electrochemical cell, named the Weston cell, for the voltage standard.
In electrolytes, electrical conduction happens not by band electrons or holes, but by full atomic species traveling, each carrying an electrical charge. The resistivity of ionic solutions (electrolytes) varies tremendously with concentration – while distilled water is almost an insulator, salt water is a reasonable electrical conductor.
an electrolyte: usually a solution of water or other solvents in which ions are dissolved. Molten salts such as sodium chloride are also electrolytes. two electrodes (a cathode and an anode) which are electrical terminals consisting of a suitable substance at which oxidation or reduction can take place, and maintained at two different electric ...
In addition the solid electrolyte offers a very long time stability of the electrical and thermal characteristics. They remain constant throughout a very long time without time-depending changes. The dependence of the impedance and equivalent series resistance (ESR) at lower temperatures is very low compared with non-solid electrolytes.
A 1919 illustration of a Leclanché cell. The Leclanché cell is a battery invented and patented by the French scientist Georges Leclanché in 1866. [1] [2] [3] The battery contained a conducting solution (electrolyte) of ammonium chloride, a cathode (positive terminal) of carbon, a depolarizer of manganese dioxide (oxidizer), and an anode (negative terminal) of zinc (reductant).
In chemistry, a strong electrolyte is a solute that completely, or almost completely, ionizes or dissociates in a solution. These ions are good conductors of electric current in the solution. Originally, a "strong electrolyte" was defined as a chemical compound that, when in aqueous solution , is a good conductor of electricity.
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