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[" 43.The thermo emf E is volt of a cert...

[" 43.The thermo emf E is volt of a certain thermocouple is "],[" found to vary with temperature T of hot junction while "],[" cold junction is kept at "0^(@)C," as: "E=40T-(T^(2)/20)" .the "],[" neutral temperature of the couple is: "],[[" (1) "100^(@)C," (2) "200^(@)C],[" (3) "400^(@)C," (4) "800^(@)C]]

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