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Resistance of platinum wire in a platinu...

Resistance of platinum wire in a platinum resistance thermometer at melting ice, boiling water and at a hot bath are `5 Omega , 5.5 Omega` and `5.2 Omega ` respectively . Find temperature of hot bath.

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Omegat`R_(0)= 5 Omega , R_(100)= 5.5 Omega , R_(t ) = = 5.2 Omega `
`t = ( R_(t) - R_(0))/( R_(100)-R_(0))xx 100 ^(@) C = ( 5.2 - 5)/( 5.5 -5) xx 100^(@) C `
`= ( 0.2 )/( 0.5) xx 100^(@) C = 40^(@) C `
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