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A resistance strain gauge with a gauge factor of 2 is fastened to a steel member subjected to a stress of 1050 kg/cm2. The modulus of elasticity of steel is 2.1 × 106 kg/cm2. The change in resistance ∆R of the strain gauge element due to applied stress will be

[ESE (IES) EE 2019 Paper 2 (Technical)]
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