Varying Resistors in Bridge Circuits?

Thread starter febbie22
Start date Dec 13, 2011
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Bridge Circuits Resistors

AI Thread Summary

When all four resistors in a bridge circuit are equal, the system achieves a balanced state, resulting in zero output voltage across the bridge. Introducing a Resistance Temperature Detector (RTD) as one of the resistors alters this balance, causing a change in output voltage proportional to the temperature variation detected by the RTD. This change in resistance affects the overall circuit response, allowing for temperature measurement. The behavior of the bridge circuit is crucial for applications in temperature sensing and control. Understanding these dynamics is essential for effective circuit design and analysis.

Dec 13, 2011

febbie22

What happens to the system response if all four resistors are equal. One of the resistors is an RTD.

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Dec 13, 2011

berkeman

Admin

febbie22 said:

What happens to the system response if all four resistors are equal. One of the resistors is an RTD.

What is the context of the question? Is this for schoolwork?

Dec 13, 2011

febbie22

no I've just been taught about it and I am just wondering what happens to the system.

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