03___Wheatstone_Bridge - MAD 413 MAD Instrumentation &...

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MAD 413 MAD 413 by by Dr. E. Caner ORHAN Dr. E. Caner ORHAN Hacettepe University Hacettepe University Department of Mining Engineering Department of Mining Engineering Wheatstone Bridge Wheatstone Bridge
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Lecture Notes by Dr. E.Caner ORHAN Introduction 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.
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Lecture Notes by Dr. E.Caner ORHAN Introduction The fundamental concept of the Wheatstone Bridge is two voltage dividers, both fed by the same input. The circuit output is taken from both voltage divider outputs, as shown here. In its classic form, a galvanometer (a very sensitive dc current meter) is connected between the
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This note was uploaded on 12/27/2009 for the course MINING ENG MAD 413 taught by Professor Erencanerorhan during the Fall '09 term at Hacettepe Üniversitesi.

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03___Wheatstone_Bridge - MAD 413 MAD Instrumentation &...

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