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[" 12.The thermo e.m.f.E in volts of a c...

[" 12.The thermo e.m.f.E in volts of a certain thermo- "],[" couple is found to vary with temperature difference "],[theta" in 'C between the two junctions according to the "],[" relation,E "30 theta-(theta^(2))/(15)." The neutral temperature for "],[" the thermo-couple will be [AlPMT (Mains)- "2010]],[" (1) "450^(@)C],[" (3) "225^(@)C],[" (4) "30^(@)C]

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The thermo e.m.f E in volts of a certain thermocouple is found to very with temperature difference theta in ""^(@)C between the two junctions according to the relation E = 30 theta - (theta^(2))/(15) . The neutral temperatur e for the thermo - couple will be .

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