The expression for thermo emf in a thermo couple is given by the relation E=40θ−θ220 , where θ is the temperature difference of two junctions. For this , the neutral temperature will be …….. oC
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answer is 0400.00.
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Detailed Solution
E=40θ−θ220 For neutral temperature , dEdθ=0 ⇒dEdθ=40−2θ20 ⇒0=40−θ10 ⇒ θ=4000C
The expression for thermo emf in a thermo couple is given by the relation E=40θ−θ220 , where θ is the temperature difference of two junctions. For this , the neutral temperature will be …….. oC