What are the advantages of wheatstone bridge
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the main advantage of wheatstone Bridge is that it can be easily interfaced into various combinations.
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The main advantage of the Wheatstone bridge is that it can be easily interfaced into various combinations. The Wheatstone bridge is traditionally called ohmmeter as the results are measured in terms of resistance and also are accurate and precise. We can measure minute changes in the bridge, even in m ohms
- The wheatstone bridge was the only practical way to make resistance measurements for years
- It is still more accurate than a 2-wire ohmeter, as it works with zero current through the detector, so the series resistance of the detector is irrelevant. That is a really good example of clever design where a circuit configuration overcomes error. You can approach the same level of accuracy with a 4-terminal ohmeter, (a Kelvin junction). Tthese are out-of-balance ohmeters.
- It is very easy to introduce the concept of linearity with the school version, the metre bridge. And the ratiometric principle, reading the scale on a woden ruler to measure an electric principle.
- The balance bridge is an important circuit principle in analogue circuits. It is,for example, used extensively in strain gauges.
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