Ohm - Law Dictionary Search Results
Home Dictionary Name: ohmOhm
Ohm, means a unit of electric resistance and is the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice 14. 4521 grammes in mass of an uniform cross-sectional area and of a length of 106.3 centimeteres. The aforesaid unit is represented by the resistance between the terminals of the instrument marked 'Government of India Ohm Standard Verified' to the passage of an electric current when the coil of wire, forming part of the aforesaid instrument and connected to the aforesaid terminals is in all parts of a temperature of 30'C. [Indian Electricity Rules, 1956, R. 2(1)(ag)]...
Ohm
The standard unit in the measure of electrical resistance being the resistance of a circuit in which a potential difference of one volt produces a current of one ampeacutere As defined by the International Electrical Congress in 1893 and by United States Statute it is a resistance substantially equal to 109 units of resistance of the C G S system of electro magnetic units and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice 144521 grams in mass of a constant cross sectional area and of the length of 1063 centimeters As thus defined it is called the international ohm...
Begohm
A unit of resistance equal to one billion ohms or one thousand megohms...
Conductance
Conducting power the reciprocal of resistance A suggested unit is the mho the reciprocal of the ohm...
Coulomb
The standard unit of quantity in electrical measurements It is the quantity of electricity conveyed in one second by the current produced by an electro motive force of one volt acting in a circuit having a resistance of one ohm or the quantity transferred by one ampegravere in one second Formerly called weber...
Farad
The standard unit of electrical capacity the capacity of a condenser whose charge having an electro motive force of one volt is equal to the amount of electricity which with the same electromotive force passes through one ohm in one second the capacity which charged with one coulomb gives an electro motive force of one volt...
joule
A unit of work which is equal to 107 ergs the unit of work in the C G S system of units and is equivalent to one watt second the energy expended in one second by an electric current of one ampere in a resistance of one ohm also called the absolute joule It is abbreviated J or j The international joule is slightly larger being 1000167 times the absolute joule The absolute joule is approximately equal to 0737562 foot pounds 0239006 gram calories small calories and 372506 x 10 7 horsepower hours and 0000948451 Btu...
Megohm
One of the larger measures of electrical resistance amounting to one million ohms...
Mho
A unit of conductivity being the reciprocal of the ohm...
Microhm
The millionth part of an ohm...
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