=========================preview======================
(ELEC101)elec101_hw02.pdf
Back to ELEC101 Login to download
======================================================
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 i0(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 i1(t) for t>0.
3. (4.6) Find the impedance Z shown in Figure P4.6. =377r/s.
4. (4.8) Find Z in Figure P4.8 if =10r/s.
5. (4.9) Calculate the equivalent impedance at terminals A-B in the circuit shown in Figure P4.9.
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 V0 in the circuit in Figure P4.46 using superposition.
9. (4.52) Use source transformation to find I0 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 2200V rms. The local power company has told the plant to raise the PF to 0.92 lagging. What value of capacitance is requited?
12. (9.7) Determine the voltage gain, AF, 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, v0, across RL.
(END)