1.Calculate the value of the shunt resistor (R.) that must be connected with the galvanometer in order to convert it into an ammeter that can measure a maximum current of Imax= 0.65 A. IGMAX RG R, = Imax-IGMAX Copper wire: p Copper=1.72x10-8 (2.m), D=0.40 mm 2.Calculate the required length (Ls) of a copper wire that has a resistance R, using : R, A L. = Ls = v m where A = is the wire's cross sectional area and p is its resistivity. 3.Convert the galvanometer into an ammeter by connecting the shunt resistance R, in v with the galvanometer.
1.Calculate the value of the shunt resistor (R.) that must be connected with the galvanometer in order to convert it into an ammeter that can measure a maximum current of Imax= 0.65 A. IGMAX RG R, = Imax-IGMAX Copper wire: p Copper=1.72x10-8 (2.m), D=0.40 mm 2.Calculate the required length (Ls) of a copper wire that has a resistance R, using : R, A L. = Ls = v m where A = is the wire's cross sectional area and p is its resistivity. 3.Convert the galvanometer into an ammeter by connecting the shunt resistance R, in v with the galvanometer.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:1.Calculate the value of the shunt resistor (R.) that must be connected with the galvanometer in order to convert it into an ammeter
that can measure a maximum current of Imax= 0.65 A.
IGMAX RG
R, =
Imax-IGMAX
Copper wire: p Copper=1.72x10-8 (2.m), D=0.40 mm
2.Calculate the required length (Ls) of a copper wire that has a resistance R, using :
R, A
L =
Ls =
v m
where A =
is the wire's cross sectional area and p is its resistivity.
3.Convert the galvanometer into an ammeter by connecting the shunt resistance R. in
v with the galvanometer.
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