【单选题】Consider a two-country two-good model where labor is the only factor of production . Each country faces an increasing-cost production-possibility curve. In th is model the amount s of both goods that ...
【简答题】A
440-V 50-Hz two-pole Y-connected induction motor is rated at 85 kW.
The equivalent circuit
parameters are R 1 = 0.105 Ω R 2 = 0.065 Ω X m = 7.9 Ω X 1 = 0.17 Ω X 2 = 0.17 Ω P F&W = 1.6 k...