• Q : Strategies and Pricing....
    Electrical Engineering :

    A European put option is traded at $4 with the underlying price at $95. Time to expiry is one month and the strike is $100. The risk-free interest rate is 3% per annum.

  • Q : Step-down transformer....
    Electrical Engineering :

    A step-down transformer has primary turns Np = 100; secondary turns Ns = 10; primary winding resistance Rp = 100Ω?; secondary winding resistance Rs = 2 ?.

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