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A gauge has GF 2.0 and resistance 120 Q. Find dR when the gauge is subjected to a strain of (1) 5 microstrain in aluminum and (2) 5000 microstrain in aluminum.

A gauge has GF 2.0 and resistance 120 Q. Find dR when the gauge is subjected to a strain of (1) 5 microstrain in aluminum and (2) 5000 microstrain in aluminum.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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A gauge has GF 2.0 and resistance 120 Q. Find dR when the gauge is subjected to a strain of (1) 5 microstrain in aluminum and (2) 5000 microstrain in aluminum. • 1. dR = GF ɛ R = 2 (5 x 10-6) (120 Q) = 0.0012 O (0.001% change) • 2. dR = GF ɛ R = 2 (5000 x 10-6) (120 Q) = 1.2 (1% change)
Transcribed Image Text:A gauge has GF 2.0 and resistance 120 Q. Find dR when the gauge is subjected to a strain of (1) 5 microstrain in aluminum and (2) 5000 microstrain in aluminum. • 1. dR = GF ɛ R = 2 (5 x 10-6) (120 Q) = 0.0012 O (0.001% change) • 2. dR = GF ɛ R = 2 (5000 x 10-6) (120 Q) = 1.2 (1% change)
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