elec101_hw02

elec101_hw02 - 9. (4.52) Use source transformation to find...

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Department of Electronic & Computer Engineering THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY ELEC101 BASIC ELECTRONICS Homework #2 (This Homework is not required to submit) 1. (3.32) Find i 0 (t) for t>0 in Figure P3.32. 2. (3.38) In the circuit shown in Figure P3.38, the switch opens at t=0 . Find i 1 (t) for t>0 . 3. (4.6) Find the impedance Z shown in Figure P4.6. ω = 377 r/s . 4. (4.8) Find Z in Figure P4.8 if ω = 10 r/s . 5. (4.9) Calculate the equivalent impedance at terminals A-B in the circuit shown in Figure P4.9. Last updated: 10/31/2006 4:03:55 PM 1/3
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6. (4.28) Draw a phasor diagram illustration all currents and voltages for the network in Figure P4.28. 7. (4.33) Use nodal equations to find the current in the inductor in the circuit shown in Figure P4.33. 8. (4.46) Find V 0 in the circuit in Figure P4.46 using superposition.
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Unformatted text preview: 9. (4.52) Use source transformation to find I in the network in Figure P4.52. 10. (5.8) Find the total average power absorbed and supplied in the circuit in Figure P5.8. 11. (5.32) A small plant has a bank of induction motors that consume 64kW at a PF of 0.68 lagging. The 60Hz line voltage across the motors is 220 ∠ ∘ V rms. The local power company has told the plant to raise the PF to 0.92 lagging. What value of capacitance is requited? Last updated: 10/31/2006 4:03:55 PM 2/3 12. (9.7) Determine the voltage gain, A F , for the circuit in Figure P9.7, assuming and ideal op amp. 13. (9.17) For the circuit shown in Figure P9.17, determine the voltage, v , across R L . (END) Last updated: 10/31/2006 4:03:55 PM 3/3...
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This note was uploaded on 10/28/2011 for the course ELEC 101 taught by Professor Chan during the Spring '09 term at HKUST.

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elec101_hw02 - 9. (4.52) Use source transformation to find...

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