Recent content by Khesahn

  1. K

    How Do You Convert a Transfer Function into Polar Form?

    Homework Statement For my particular circuit I have found my transfer function already, which comes out to be: H(jω)= R / [R+(1/jωC)+jωL] I am now supposed to express it in polar form. I am confused on how I express such an expression in polar form. Could anyone give me some information on...
  2. K

    Homework help: Transfer Function and Half Power Frequency

    Homework Statement I made a quick drawing of the circuit, and I apologize because I am not good at using the computer to draw circuits! Anyway, in this particular circuit R=200Ω , and L=5mH. For part a I am supposed to find the Transfer Function H(jw) = (Vout/Vin) in terms of ω. For part b...
  3. K

    Solving Complex Power with a 400-V, 100-Hz Source and a Load of 400+j30 VA

    Homework Statement 1. A 400-V, 100-Hz source supplies power to a load. If the load absorbs 400+j30 VA of power, find the following: (2 pts each) a. The magnitude of current drawn by the load. b. The apparent power absorbed by the load. c. The power factor of the load. d. The impedance of...
  4. K

    Help with a Series RL network and Power factor

    I was working on this a bit more after doing some research and this is what I've found. P=(I^2)R, using my values gives me √(400/15.08)= I, which is I = 5.15A. Using the equation Z= √(R^2 + (ωL)^2) = Z = √(15.08^2 + (120∏*.040)^2) = Z = 21.33Ω. I then use Apparent Power = (I^2)Z which...
  5. K

    Help with a Series RL network and Power factor

    Homework Statement In a 60 Hz series RL network, the source is supplying 400 W of real power. If R = 15.08 Ω and L = 40 mH, find a. The power factor. (Indicate if it is leading or lagging) b. The apparent power supplied. c. The reactive power supplied. Homework Equations None were...
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