The student runs an experiment on a cylindrical wire of a length l of 2 centimeters and the cross- sectional area A of the wire is 6.1 centimeters-squared. The measurements of the Current is as below Dataset Voltage (Applied, Volts) Current (Measured, Amperes) 0.213 0.638 0.106 7. 1.489 6. 1.915 11 2.340 13 2.766 According to the results of the experiment, what is the Resistivity p (ohm-meters) of that conducting wire? Note: Submit your answer to the third decimal point -e.g.: 0.123456 -> 0.123

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter28: Current And Resistance
Section: Chapter Questions
Problem 69PQ
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A student woants to identify the Resistivity of a conducting wire of unknown material.
Resistivity is a property of a material that quantifies how strongly it conducts electric current, and it is
formulated as,
of
p= R4
where R is the Resistance (ohms), A cross-sectional area (meters-squared) and I is the length
(meters) of the wire.
The student runs an experiment on a cylindrical wire of a length l of 2 centimeters and the cross-
sectional area A of the wire is 6.1 centimeters-squared.
The measurements of the Current is as below
Dataset
Voltage (Applied, Volts) Current (Measured, Amperes)
Transcribed Image Text:A student woants to identify the Resistivity of a conducting wire of unknown material. Resistivity is a property of a material that quantifies how strongly it conducts electric current, and it is formulated as, of p= R4 where R is the Resistance (ohms), A cross-sectional area (meters-squared) and I is the length (meters) of the wire. The student runs an experiment on a cylindrical wire of a length l of 2 centimeters and the cross- sectional area A of the wire is 6.1 centimeters-squared. The measurements of the Current is as below Dataset Voltage (Applied, Volts) Current (Measured, Amperes)
learn@khas.edu.fr
The student runs an experiment on a cylindrical wire of a length l of 2 centimeters and the cross-
sectional area A of the wire is 6.1 centimeters-squared.
The measurements of the Current is as below
Dataset
Voltage (Applied, Volts) Current (Measured, Amperes)
1
0.213
0.638
0.106
1.489
1.915
11
2.340
13
2.766
According to the results of the experiment, what is the Resistivity p (ohm-meters) of that conducting
wire?
Note: Submit your answer to the third decimal point e.g.: 0.123456 -> 0.123
Answer:
357 a
Transcribed Image Text:learn@khas.edu.fr The student runs an experiment on a cylindrical wire of a length l of 2 centimeters and the cross- sectional area A of the wire is 6.1 centimeters-squared. The measurements of the Current is as below Dataset Voltage (Applied, Volts) Current (Measured, Amperes) 1 0.213 0.638 0.106 1.489 1.915 11 2.340 13 2.766 According to the results of the experiment, what is the Resistivity p (ohm-meters) of that conducting wire? Note: Submit your answer to the third decimal point e.g.: 0.123456 -> 0.123 Answer: 357 a
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