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lec23_handout

lec23_handout - Bridge Circuits Variable Impedance Devices...

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ME365 Bridge Circuits 1 Bridge Circuits & Variable Impedance Devices Strain Gages Bridge Circuits Variable Impedance Devices ME365 Bridge Circuits 2 Strain Gages Strain Gage The change in resistance of the device is a reasonably linear function of its deformation. The elastic element to which the strain gage is attached deforms in response to the physical phenomenon (input) that is of interest, for example, force, torque, pressure, displacement, acceleration, …etc. Elastic Element Strain Gage Input Force; Torque; Pressure; ... Deformation Variable Resistance Q: How does one measure resistance variation?
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