Calculate the change in resistance

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A force of 5400 N is exerted on an aluminum rod, whose diameter is 6.2 cm and length 30 cm. Calculate the stress and strain in the beam if the Young's modulus of aluminum is 70 GN/m2. A strain gauge with a gauge factor of 4 and resistance of 350 Ω is attached to the rod. Calculate the change in resistance. If the strain gauge is used in a bridge circuit and all other resistances are 350 Ω, find the offset voltage of the bridge. Supply voltage of the bridge is 10 V.

Reference no: EM131383466

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