Electrical and Electronics Engineering
1. What is Zin ? Is Zin
"inductive" or "capacitive" ?
2. If 5 Ω is a load resistor, construct a Thevenin
equivalent circuit and calculate voltage across 5 Ω.
3. The switch has been closed for a long time and it opens at t
= 0. Find v(t) for t ≥ 0.
4. Assume the op-amp is ideal. If "Close-Loop Gain"
vo / vin is 10, what is the value of
R?
1. What is Zin? Is Zin "inductive" or "capacitive" ? 25 Ω j15 Ω Answer: -j50 Ω 30 Ω M Zin 20 Ω j10 Ω
2. If 5 2 is a load resistor, construct a Thevenin equivalent circuit and calculate voltage across 5 12. 5 mF 512 WWW Answer: 6 cos 2001 V 492 10 mH 322
3. The switch has been closed for a long time and it opens at t = 0. Find v(t) for t> 0. 1 = 0 Answer: 10 k92 g 40 V + 2 k22 v (1) 40 uF
4. Assume the op-amp is ideal. If “Close-Loop Gain" is 10, what is the value Vin of R? Answer: Us www 10 K12 W R 40 ks2 ww
Electrical and Electronics Engineering 1. What is Zin ? Is Zin "inductive" or "capacitive" ? 2. If 5 Ω is a load resist
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