Applications of Electronics. Analyze series-parallel DC circuits Build and take measurements in series- parallel DC Circuits Use innovative and critical.

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Presentation transcript:

Applications of Electronics

Analyze series-parallel DC circuits Build and take measurements in series- parallel DC Circuits Use innovative and critical thinking to analyze a problem.

How do you “redraw” the Wheatstone Bridge circuit to recognize the series-parallel relationship among the resistors? How is a strain gauge used in a Wheatstone Bridge? How does the elastomer strain gauge work? How can you apply the elastomer strain gauge to a structure? What tests and evaluations would you need to do to show that the elastomer strain gauge is accurate and reliable?

Strain Gauge video

Voltage output is zero when the bridge is “balanced” R a /R b = R 1 /R 2

One leg of the Wheatstone Bridge

Graphene particles in Latex Resistance varies with strain (displacement)

Concept of operation Application examples from the literature How does it compare with a foil strain gauge in terms of ease of use, reliability, and durability? What tests would you do to “demonstrate” that elastomer strain gauge is a viable product?