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ee250_HW1

# ee250_HW1 - Ω resistance Find the initial charge on the...

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EE 250 Winter 2010 University of Alberta HOMEWORK 1 Instructor : Karthik Shankar 1. Convert the following into phasor form : 5cos(45 30 ) A 25sin(32 18 ) V i t v t π = + ° = - ° 2. Find the current flowing in a 50μF capacitor if 4sin(45 18 ) V C v t = + ° . Give your results in both time domain and phasor form 3. Find the voltage (in both time domain and phasor form) across a 1-mH pure inductor if 75sin(350 10 ) A L i t = - ° 4. A 2 mH inductor has a current 5000 5(1 ) A t L i e - = - . Find the corresponding voltage and the maximum stored energy ? 5. A capacitance of 2.0 μF with an initial charge is switched into a series circuit consisting of a 10.0

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Unformatted text preview: Ω resistance. Find the initial charge on the capacitor Q if the energy dissipated in the resistor is 3.6 mJ. 6. Write the mesh equations for the circuit shown in the figure below. Solve them for the currents I 1 and I 2 . 7. Given complex quantities and A A B B θ α = ∠ = ∠ , simplify B B Ae A e * * + where * denotes the complex conjugate. (Clue : final expression should be completely real) 8. Problem 8.16 ( Irwin, 9th Ed. ) : Find Z in the network in Fig P8.16 9. Problem 8.39 ( Irwin, 9th Ed. ) 10. Problem 8.94 ( Irwin, 9th Ed. )...
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ee250_HW1 - Ω resistance Find the initial charge on the...

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