Two magnetically coupled coils are wound on a nonmagnetic core. The self-inductance of coil 1 is 288 mH, the mutual inductance is 90 mH, the coefficient of coupling is 0.75, and the physical structure of the coils is such that P11=P22. 1. Find L2 and the turns ratio N1/N2. 2. If N1=1200, what is the value of P1 and P2?

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