Why Manganin Wire Is Used in Meter Bridge?
In a Metre Bridge, Wires of Nichrome Nichrome Nichrome (Also Known as Nicr, Nickel-Chromium or Chromium-Nickel) Is a Family of Alloys of Nickel, Chromium, and...
In a metre bridge, wires of
Why do we use manganin wire?
Manganin foil and wire is used in the manufacture of resistors, particularly ammeter shunts, because of its virtually zero temperature coefficient of resistance value and long term stability. Several Manganin resistors served as the legal standard for the ohm in the United States from 1901 to 1990.
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Which material is used for the meter bridge wire and why?
Constantan is used for meter bridge wire because its temperature coefficient of resistance is almost negligible due to which the resistance of the wire does not change with increase in temperature of the wire due to flow of current.
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