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A thermocouple is made of iron and const...

A thermocouple is made of iron and constantan. Find the emf developed per`0^(@)C` difference of temperature between the junctions, given that the thermo emf of iron and constantan against platinum are +1600 and `-3400 mu V " per "100^(@)C` difference of temperatures.

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Solve the two linear equation in a and b
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