Answer to Question #201117 in Electrical Engineering for Bahawal tahir

Question #201117

. A resistance strain gage with a gage factor of 2.4 is mounted on a steel beam whose modulus of

elasticity is 2x106kg/cm2

. The strain gage has an unstrained resistance of 120.0Ω which

increases to 120.1Ω when the beam is subjected to a stress. Calculate the stress at the point

where the strain gage is mounted


1
Expert's answer
2021-06-03T13:59:02-0400

Gauge factor is the ratio of relative change in resistance to that of the strain.

Relative change in resistance

Gauge factor

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