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The ampere balance is an electromechanical apparatus used for the precise measurement of the SI unit of electric current, the ampere. It was invented by William Thomson, 1st Baron Kelvin.
Printed dictionaries and other books with definitions for Ampere balance
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by George Francis Sever, Fitzhugh Townsend
As this operation is one of the most accurate of physical measurements, the ampere balance is an inherently accurate instrument. The balance consists of a pivoted horizontal bar with a coil at each end. Each of these coils is between two fixed ...
The Electrical Review (1905)
It is needless to point out that, so far as these two books are concerned, the ampere balance is an impossibility, and the ohm a myth.
A Popular Dictionary of Words and Terms Used in the Practice of Electric Engineering by Thomas O'Conor Sloane
Thus there is a centi- ampere balance, deka-ampere balance and others, as well as an ampere ...
a cyclopedia of words, terms, phrases and data used in the electric arts, trades and sciences by Nehemiah Hawkins
Ampere Balance. 11 Analysis. Ampere Balance.— An ammeter in the form of a balance or scales. These balances are made with different capacities for different current strengths. Ampere Centimeter. — The magnetic flux caused by a current ...
Current balance (Ampere balance). A device which is used for measuring electric current to a high degree of accuracy, by measuring the electromagnetic force produced between two conductors carrying the current. Current density. Symbol: j .
The Encyclopaedia Britannica (1911)
A Dictionary of Arts, Sciences, Literature and General Information by Hugh Chrisholm
Lord Kelvin's Ampere Balance. ing manner:—The upper edge of the shelf on which the weights slide (see fig. 8) is graduated into equal divisions, and the weight is provided with a sharp tongue of metal in order that its position on the shelf may ...
by Dipak Basu
ampere balance An apparatus ...
by John Daintith
ampere balance See current balance. ampere-hour Symbol: Ah A unit of electric charge equal to the charge transferred through a ...
by Ian McNeil
the electrodynamometer was the Kelvin Ampere Balance, in which the attractive force between fixed and moving coils was balanced by a sliding weight on a balance arm. The arrangement was similar to a balance for weighing. In 1894 two ...
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