ELECTRICITY FOR TRADES (LOOSELEAF)
3rd Edition
ISBN: 9781260437454
Author: Petruzella
Publisher: MCG
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12.12 In the circuit of Fig. P12.12(a), is(t) is given by the
waveform shown in Fig. P12.12(b). Determine iL (t) for t≥ 0,
given that R₁ = R₂ = 2 2 and L = 4 H.
is()
R₁
R2:
(a) Circuit
is(t)
8A-
8e-21
elle
(b) is(t)
Figure P12.12 Circuit and waveform for Problem 12.12.
iL
12.12 In the circuit of Fig. P12.12(a), is(t) is given by thewaveform shown in Fig. P12.12(b). Determine iL(t) for t ≥ 0,given that R1 = R2 = 2 W and L = 4 H.
12.4 Determine the Laplace transform of each of the following
functions by applying the properties given in Tables 12-1 and 12-2
on pages 642-643.
(a) fi(t)=4tet u(t)
(b) f2(t)=10cos (12t+60°) u(t)
*(c) f3(t) = 12e−3(t−4) u(t −4)
(d) f4(t) = 30(e³ +e³t) u(t)
(e) fs(t)=16e2t cos 4t u(t)
(f) f6(t)=20te 2 sin 4t u(t)
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- a) Calculate the values of v and i. + 803 1A Va 82 b) Determine the power dissipated in each resistor. 1A Va (a) + I 50 V 0.2 S (b) + D + 1 Α υ€ 20 Ω 50 V 250 ΩΣ ia (c) (d) Copyright ©2015 Pearson Education, All Rights Reservedarrow_forwardExercise 3-12: Find the Thévenin equivalent of the circuit to the left of terminals (a, b) in Fig. E3.12, and then determine the current I. 502 502 0.6 Ω 20 V | + <302 Ω ΣΙΩ b 2025 Ω 15A Figure E3.12arrow_forward2. Consider following feedback system. r(t) e(t) y(t) K G(s) 1 where G(S) = s²+as+b In above, K, a and b are constants. Select the values of K, a and b in a way so that (i) (ii) (iii) the closed loop system is stable, steady-state error of the closed-loop system for step input is 0.2, the closed-loop response has 20% overshoot and 2 seconds as settling time.arrow_forward
- 4. Answer the following questions. Take help from ChatGPT to answer these questions (if you need). But write the answers briefly using your own words with no more than two sentences, and make sure you check whether ChatGPT is giving you the appropriate answers in the context of class. a) What is the advantage of the PI controller over the proportional controller? b) What is the advantage of the PD controller over a proportional controller? c) In the presence of noise, what problem do we face implementing the derivate part of the PID (or PD) controller? To address this, what do we usually use? d) What are the forms of lead compensator and lag compensator? How do these two types of compensators differ?arrow_forward3. Consider the following closed-loop system as shown in the figure. 16 Ge(s) s(s + 4) Suppose Ge(s) is a PID controller with Kp = 1, KD = 2 and K₁ = 3. a) Find the controller transfer function G₁(s). b) Find the open-loop transfer function. c) Find the closed-loop transfer function.arrow_forwardExercise 3-12: Find the Thévenin equivalent of the circuit to the left of terminals (a, b) in Fig. E3.12, and then determine the current I. 502 5 Ω 0.6 Ω a 3Ω ΣΙΩ b 20 V 1 + 2027 15A Figure E3.12arrow_forward
- solve and show workarrow_forwardDon't use ai to answer I will report you answerarrow_forwardvalues. 4. Discussion: DEPA الأمهريائية RING Compare between theoretic bination effect of Kp and KI at first order and second order systems regarding steady-state errors and transient responses with the practical. In Experiment PI Controllerarrow_forward
- Ⓡ 1. Discuss the relationship between DMA-out and A-out signals. 2. Explain the results of steps 3 and 4 in Experiment 16-2. Unit 16 CVSD System Table 16-2 CVSD demodulator (CLK out - 90KHz) A-in Input Signal DMD-out Waveform & Frequency DMA-out Waveform & Frequency TKHz 1Vpp Sinewave 3KHz 1Vpp Sinewave 200Hz 1Vpp Sinewavearrow_forward3. Describe the function of the lowpass filter (LPF) used in CVSD system.arrow_forwardDon't use ai to answer I will report you answerarrow_forward
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