Voltage,current in tamil
https://youtu.be/0WyMTQH6pz8

In this video following details are explained in Tamil
1.RTD working principle
2.what is the meaning of PT100
3.What material used in RTD
4.Temperature Coefficient means what
5.Temperature ratio means what
6.classification of RTD(2,3,4 wires different)
7.Selection of RTD

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