A cube of a material of side 1 cm has aresistance of 0.001 Q between itsopposite faces. If the same volume ofthe material has a length of 8 cm anda uniform cross-sectional area, whatwill be the resistance of this length?Use three decimal places. *Your answerCalculate the resistance of 100-mwire having a cross-sectional area of0.1mm^2 and made of manganin whichhas a resistivity of 50x10°-8 Q.m.Answer in whole number form.Your answerA single-core underground cable has aсоpperconductor of diameter 1.2cmand resistivity of 5.8x10^12 Q.m. Ifthe thickness of the insulatingmaterial is 1.2 cm, calculate theinsulation resistance of a 5-kmlength of this cable in Megaohms. *

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A cube of a material of side 1 cm has a resistance of 0.001 Q between its opposite faces. If the same volume of the material has a length of 8 cm and a uniform cross-sectional area, what will be the resistance of this length? Use three decimal places. *

A cube of a material of side 1 cm has a resistance of 0.001 Q between its opposite faces. If the same volume of the material has a length of 8 cm and a uniform cross-sectional area, what will be the resistance of this length? Use three decimal places. *

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 89CP: Consider a resistor made from a hollow cylinder of carbon as shown below. The inner radius of the...

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Question

A cube of a material of side 1 cm has a
resistance of 0.001 Q between its
opposite faces. If the same volume of
the material has a length of 8 cm and
a uniform cross-sectional area, what
will be the resistance of this length?
Use three decimal places. *
Your answer
Calculate the resistance of 100-m
wire having a cross-sectional area of
0.1mm^2 and made of manganin which
has a resistivity of 50x10°-8 Q.m.
Answer in whole number form.
Your answer
A single-core underground cable has a
соpper
conductor of diameter 1.2cm
and resistivity of 5.8x10^12 Q.m. If
the thickness of the insulating
material is 1.2 cm, calculate the
insulation resistance of a 5-km
length of this cable in Megaohms. *

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