Junction 1-14 is at function of t: when one a celsius temperature t, the emf of a thermocouple is kept at the ice point, and the other junction of the thermocouple is given by a quadratic if δ is in millivolts, the numerical values of α and β for a certain thermocouple are found to be α= .50, β=-1×10-3. (a) compute the emf when t =-100°c, 200°c,400°c, and 500°c, and sketch a graph of δ versus t. (b) suppose the emf is taken as a thermometric property and that a tem- perature scale t* is defined by the linear equation t* = a8 + b. let t*-0 at the ice point, and t* 100 at the steam point. find the numerical values of a and b and sketch a graph of δ versus t *. (c) find the values of t* when t =-100°c, 200°c, 400°c, and 500°c, and sketch a graph of t* versus t over this range. (d) is the t* scale a celsius scale? does it have any advantage or disadvantages compared with the ipts scale?