a) O Superconductorb) O insulatorc)conductord)Semiconductore)fabricator 19 - Which material's resistivity increases smoothly with increasing temperature?

Resistivity of a material is defined as the ability of the material to oppose the current flowing…

Answered: 19 - Which material's resistivity…

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19 - Which material's resistivity increases smoothly with increasing temperature?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 31PE: Of what material is a resistor made if its resistance is 40.0% greater at 100°C than at 20.0°C ?

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Concept explainers

Microscopic view of current

In physics, the term current is expressed as the rate of flow of electric charges across the area per unit time (I=q/t). It propagates along in the direction of the motion of positive charges. When the current is caused by the motion of electrons, the direction of the current is opposite to the flow.

Question

a) O Superconductor
b) O insulator
c)
conductor
d)
Semiconductor
e)
fabricator

19 - Which material's resistivity increases smoothly with increasing temperature?

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