Answered: A resistance wire strain gauge ss of…

A resistance wire strain gauge ss of 100 MN/m². The modulus of elasticity of steel is 200 GN/m². Calculate the percentage change in perictonce due to the applied stress.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.2P: The temperature dependence of resistance is also quantified by the relation R2=R1[ 1+(T2T1) ] where...

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Concept explainers

Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.

Question

A resistance wire strain gauge with a gauge factor of 2 is bonded to a steel structure subjected to a
stress of 100 MN/m². The modulus of elasticity of steel is 200 GN/m². Calculate the percentage change in
the value of the gauge resistance due to the applied stress.

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