Copertina di Wheatstone Bridge
Titolo del libro:

Wheatstone Bridge

Betascript Publishing (05.09.2013 )

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ISBN-13:

978-613-0-31976-2

ISBN-10:
6130319762
EAN:
9786130319762
Lingua del libro:
Inglese
Risvolto di copertina:
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A Wheatstone bridge is a measuring instrument invented by Samuel Hunter Christie in 1833 and improved and popularized by Sir Charles Wheatstone in 1843. It is used to measure an unknown electrical resistance by balancing two legs of a bridge circuit, one leg of which includes the unknown component. Its operation is similar to the original potentiometer. Rx is the unknown resistance to be measured; R1, R2 and R3 are resistors of known resistance and the resistance of R2 is adjustable. If the ratio of the two resistances in the known leg (R2 / R1) is equal to the ratio of the two in the unknown leg (Rx / R3), then the voltage between the two midpoints (B and D) will be zero and no current will flow through the galvanometer Vg. R2 is varied until this condition is reached. The direction of the current indicates whether R2 is too high or too low.
Casa editrice:
Betascript Publishing
Sito Web:
https://www.betascript-publishing.com/
A cura di:
Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
Numero di pagine:
96
Pubblicato il:
05.09.2013
Giacenza di magazzino:
Disponibile
categoria:
Fisica, Astronomia
Prezzo:
34,00 €
Parole chiave:
Measuring Instrument, Charles Wheatstone, Bridge Circuit, Electrical Resistance, Potentiometer (measuring instrument), Galvanometer

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