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- Iron-hydrogen_resistor abstract "An iron-hydrogen resistor consists of a hydrogen-filled glass bulb (similar to a light bulb), in which an iron wire is located. This resistor has a positive temperature coefficient of resistance. This characteristic made it useful for stabilizing circuits against fluctuations in power supply voltages. The modern successor to this device is the current source. When the current increases the temperature will increase. The higher temperature leads to a higher electrical resistance, opposing the increase in current. The hydrogen gas protects the iron against oxidation, and also enhances the effect since the solubility of hydrogen in iron increases as temperature increases, resulting in higher resistance.Iron-hydrogen resistors were used in the early vacuum tube systems in series with the tube heaters, to stabilize the heater circuit current against fluctuating supply voltage.This device is often called a "barretter" because of its similarity to the Barretter used for detection of radio signals.In 1930s Europe it was popular to combine them in the same glass envelope with an NTC-type thermistor made of UO2 until 1936, known as Urdox resistor and acting as an inrush current limiter for the series heater strings of domestic ac/dc tube radios.".
- Iron-hydrogen_resistor thumbnail Eisenwasserstoffw.jpg?width=300.
- Iron-hydrogen_resistor wikiPageExternalLink PPP1,M1.
- Iron-hydrogen_resistor wikiPageExternalLink electronic-valve-amperite-regulator-type-4a1-1930-1949.
- Iron-hydrogen_resistor wikiPageExternalLink CHAPTR33.PDF.
- Iron-hydrogen_resistor wikiPageExternalLink CHAPTR35.PDF.
- Iron-hydrogen_resistor wikiPageID "20033505".
- Iron-hydrogen_resistor wikiPageRevisionID "603057998".
- Iron-hydrogen_resistor hasPhotoCollection Iron-hydrogen_resistor.
- Iron-hydrogen_resistor subject Category:Hydrogen_technologies.
- Iron-hydrogen_resistor subject Category:Resistive_components.
- Iron-hydrogen_resistor type Abstraction100002137.
- Iron-hydrogen_resistor type Act100030358.
- Iron-hydrogen_resistor type Activity100407535.
- Iron-hydrogen_resistor type Application100949134.
- Iron-hydrogen_resistor type Cognition100023271.
- Iron-hydrogen_resistor type Component105868954.
- Iron-hydrogen_resistor type Concept105835747.
- Iron-hydrogen_resistor type Content105809192.
- Iron-hydrogen_resistor type Event100029378.
- Iron-hydrogen_resistor type HydrogenTechnologies.
- Iron-hydrogen_resistor type Idea105833840.
- Iron-hydrogen_resistor type Occupation100582388.
- Iron-hydrogen_resistor type Part105867413.
- Iron-hydrogen_resistor type Profession100609953.
- Iron-hydrogen_resistor type PsychologicalFeature100023100.
- Iron-hydrogen_resistor type ResistiveComponents.
- Iron-hydrogen_resistor type Technology100949619.
- Iron-hydrogen_resistor type Use100947128.
- Iron-hydrogen_resistor type YagoPermanentlyLocatedEntity.
- Iron-hydrogen_resistor comment "An iron-hydrogen resistor consists of a hydrogen-filled glass bulb (similar to a light bulb), in which an iron wire is located. This resistor has a positive temperature coefficient of resistance. This characteristic made it useful for stabilizing circuits against fluctuations in power supply voltages. The modern successor to this device is the current source. When the current increases the temperature will increase.".
- Iron-hydrogen_resistor label "Bareter".
- Iron-hydrogen_resistor label "Eisen-Wasserstoff-Widerstand".
- Iron-hydrogen_resistor label "IJzer-waterstofweerstand".
- Iron-hydrogen_resistor label "Iron-hydrogen resistor".
- Iron-hydrogen_resistor label "Бареттер".
- Iron-hydrogen_resistor sameAs Variátor_(elektro).
- Iron-hydrogen_resistor sameAs Eisen-Wasserstoff-Widerstand.
- Iron-hydrogen_resistor sameAs IJzer-waterstofweerstand.
- Iron-hydrogen_resistor sameAs Bareter.
- Iron-hydrogen_resistor sameAs m.04y9sw6.
- Iron-hydrogen_resistor sameAs Q1311228.
- Iron-hydrogen_resistor sameAs Q1311228.
- Iron-hydrogen_resistor sameAs Iron-hydrogen_resistor.
- Iron-hydrogen_resistor wasDerivedFrom Iron-hydrogen_resistor?oldid=603057998.
- Iron-hydrogen_resistor depiction Eisenwasserstoffw.jpg.
- Iron-hydrogen_resistor isPrimaryTopicOf Iron-hydrogen_resistor.