DELMAR'S STANDARD TEXT OF ELECTRICITY
6th Edition
ISBN: 9780357323380
Author: Herman
Publisher: CENGAGE C
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Textbook Question
Chapter 20, Problem 3PA
You find that a 25-
Expert Solution & Answer
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use kvl to solve
R1 is 978 ohms R2 is 2150 ohms R3 is 4780
R1 is parallel to R2 and R2 is parallel to R3 and R1 and R3 are in series
Q7 For the circuit shown in Fig. 2.20, the transistors are identical and have the following
parameters: hfe = 50, hie = 1.1K, hre = 0, and hoe = 0. Calculate Auf, Rif and Rof.
Ans: 45.4; 112 KQ; 129.
25 V
10k
47k
4.7k
Vo
150k
w
Vs
47k
4.7k
W
22
5μF
33k
50uF
50μF
4.7k
4.7k
R₁
Rof
Rif
R1000
Fig. 2.20 Circuit for Q7.
Chapter 20 Solutions
DELMAR'S STANDARD TEXT OF ELECTRICITY
Ch. 20 - 1. What is the dielectric?
Ch. 20 - List three factors that determine the capacitance...Ch. 20 - A capacitor uses air as a dielectric and has a...Ch. 20 - 4. In what form is the energy of a capacitor...Ch. 20 - Four capacitors having values of 20 F, 50 F, 40 F,...Ch. 20 - f the four capacitors in Question 5 were to be...Ch. 20 - A 22-F capacitor is connected in series with a...Ch. 20 - 8. A 450-pF capacitor has a total charge time of...Ch. 20 - Can a nonpolarized capacitor be connected to a DC...Ch. 20 - Explain how an AC electrolytic capacitor is...
Ch. 20 - What type of electrolytic capacitor will be...Ch. 20 - A 500-nF capacitor is connected to a 300-k...Ch. 20 - A film-type capacitor is marked 253 H. What are...Ch. 20 - A postage stamp mica capacitor has the following...Ch. 20 - A postage stamp capacitor has the following color...Ch. 20 - You are changing the starting relay on a central...Ch. 20 - You are an electrician working in an industrial...Ch. 20 - You find that a 25-F capacitor connected to 480...Ch. 20 - Fill in all the missing values. Refer to the...Ch. 20 - Two capacitors having values of 80 F and 60 F are...Ch. 20 - Three capacitors having values of 120 F, 20 F, and...Ch. 20 - Three capacitors having values of 2.2 F, 280 F,...Ch. 20 - A 470-F capacitor is connected in series with a...
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- Q6)) The transistors in the feedback amplifier shown are identical, and their h-parameters are.. hie = 1.1k, hfe = 50, hre=o, and hoe = 0. Calculate Auf, Rif and Rof. {Ans: 6031583; 4. Kor. Is 4 4.7 k www 4.7k 91k 4.7k 91k 10k 1k. 10k 21000 4.7k w 15k Fig. 2.19 Circuit for Q6.arrow_forwardQ5 For the circuit shown in Fig. 2.18, hie =1.1 KQ, hfe =50. Find Avf, Rif and Rof Ans: -3.2; 193 ; 728 N. Vcc Vs Rs=10kQ Re=4KQ RF - = 40ΚΩ www Fig. 2.18 Circuit for Qs.arrow_forwardSheet No.2 Qi For the source follower shown in Fig. 2.14, Ipss =16 mA, V₂ =-4V, and VGsQ=-2.86 V. Find Avf, Rif and Rof. Assume rd is high. Ans: 0.833; ∞0; 365.7 . VDD Vo Vs R = 2.2 k Fig. 2.14 Circuit for Qi.arrow_forward
- Q4 For the circuit shown in Fig. 2.17, he-100, he -1KQ. Find A, A, R and Rof- Ans:-100; -5; 100 K; 250K. Voc RB = 100 k R.=5k Vs Rs 500 R. = 1 kn Fig. 2.17 Circuit for Quarrow_forwardQ3 The circuit of Fig. 2.16 is to have Af = -1 mA/V, D=1+ BA=50, a voltage gain of -4, Rs = 1KQ, and hfe = 150. Find RL, Re, Rif and Rof. Ans: 4 KN; 980 ; 150 KN; ∞. Vcc RL Vs -OV +11 Fig. 2.16 Circuit for Q3.arrow_forwardQ2 For the circuit shown in Fig. 2.15 hfe =150, hie =1KQ. Find Avf and Rif. Ans: 0.986; 152 KN. Vee R=4k2 Rs 1kQ Vo V, VR=1 KQ Fig. 2.15 Circuit for Q2-arrow_forward
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