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Measurement of unknown resistance using Carey-Fosters Bridge


Posted by: seminar class
Created at: Friday 06th of May 2011 03:59:51 AM
Last Edited Or Replied at :Friday 06th of May 2011 03:59:51 AM
unknown resistance experiment for physics , to determine specific resistance of a material of a wire using 1m wire, discussions on carey foster bridge , carey foster bridge, determination of unknown resistance using meter bridge , ppt to find the specific resistance using meter bridge, to deteermine the valuesof a law resistqance by careys fasrter bridge , measure of law resistance by carey foster bridge, what type of unknown resistance can be used in experiment , operation of carey foster bridge, carey foster bridge theory , experiment to determine specific resistance of a material, measuring resistivity using a meter bridge , carey foster s bridge,
ug
key between A0 and B0. A pivoted galvanometer is connected between the
central terminal (F) and sliding contact J through a high resiatance. With
a standard resiatance in R the position of jockey is found for which the
current in the galvanometer is zero. Then,
X
R
= ResistanceofAJ
ResistanceofJB
= l
100 − l
(1)
Using the bridge one can calculate the resistance of the wire from which the
specific resistance  of the material of wire can be obtained.
The Carey-Foster Bridge is a modified form of meter bridge. The shorting
plate DE is removed so that we get four gaps AD,DC,CE..................[:=> Show Contents <=:]



Measurement of unknown resistance using Carey-Fosters Bridge


Posted by: seminar class
Created at: Friday 06th of May 2011 03:59:51 AM
Last Edited Or Replied at :Friday 06th of May 2011 03:59:51 AM
unknown resistance experiment for physics , to determine specific resistance of a material of a wire using 1m wire, discussions on carey foster bridge , carey foster bridge, determination of unknown resistance using meter bridge , ppt to find the specific resistance using meter bridge, to deteermine the valuesof a law resistqance by careys fasrter bridge , measure of law resistance by carey foster bridge, what type of unknown resistance can be used in experiment , operation of carey foster bridge, carey foster bridge theory , experiment to determine specific resistance of a material, measuring resistivity using a meter bridge , carey foster s bridge,
hick metal
strips which have zero resiatance A0D and BE are gaps in which resistances
to be compared are connected. The dry cell is connected through a plug
key between A0 and B0. A pivoted galvanometer is connected between the
central terminal (F) and sliding contact J through a high resiatance. With
a standard resiatance in R the position of jockey is found for which the
current in the galvanometer is zero. Then,
X
R
= ResistanceofAJ
ResistanceofJB
= l
100 − l
(1)
Using the bridge one can calculate the resistance of the wire from which the
specific resistance  of the materi..................[:=> Show Contents <=:]



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