Answer / fff

three wire RTD FOR RESISTENCE COMPENSETION
FOR TWO WIRE HAVE INTERNAL COMPENATED WITH WHISTEN BRIDGE
CIRCUIT

Answer / sanal sasidharan

In 3 wire , 2 wires supply power and 1 give the o/p

Whereas in 4 wire , 2 2 wires supply power and 2 for o/p

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