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Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Question
For the circuit, assuming an ideal op amp, and given Vs = - 1.5 V, R1 = 1 K ohm,
R2 = 15k ohm, and R3 = 5k ohm, answer the following question. (Annotate
diagram to show branches and nodes.)
(a) Find the currents in all the branches
(b) Find the voltages at all nodes
(c) Find the power dissipated in each resistor
(a) Find the total power dissipated in all resistors
(e) How much power is delivered by Vs?
(f) Explain: where does the rest of the power come from?
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R1 V2
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Transcribed Image Text:Vs
+
R1 V2
+
다
R2
m
SP 1.0
N3
1
R3
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- R1 V. R2 For this problem, you may assume ideal op-amp assumptions and that Ver supply voltage maximums can be ignored. For the above circuit, determine the output voltage V, to the nearest single digit decimal place with th following values V= 2 Volts V2= 8 Volts R= 6 Ohms R2= 2 Ohms R3= 5 Ohms 2:53 PM O Type here to search € 54°F 10/22/2021 hp ins prt sc end f12 delete home f10 f8 II f5 12 23 米 num & backspace lock 8 3 4 Y U home E R 700 %24 4184-A LEGOarrow_forwardDerive the voltage gain of the circuit given, assuming it is an Ideal Op- Amp. If R1=2k, R2=10K2 and R3=10 KQ, find the input voltage when the output is 10 V Vin Vo R1 R2 R3 CamScannerarrow_forwardQ8 The circuit shown in Figure 4 is a two op-amp instrumentation amplifier. (a) Derive the expression for the output voltage, Vour, as a function of inputs Vin1 and Vin2- Assume ideal op-amps. (b) If R1=R4 and R2=R3, simplify the expression for VouT. R1 Vint Vinz R2 A1 Vot R3 R4 Vx A2 VOUT Figure 4 Two Op-Amp Instrumentation Amplifierarrow_forward
- In terms of an Op Amp, when a virtual short occurs the positive and negative input terminals have what kind of relationship?arrow_forwardFor the given op-amp circuit, determine: (a) iout/iin2, (b) iin2/iin, (c) iin/Is, and (d) iout/Is.arrow_forwardConsider the following op-amp circuit, where Vin = 2V. The Op-Amp is powered by ±15V power sources. R1 = 10 k2 and R₂ = 35 k. Part A - What is the power dissipated by a load resistor of 100 k between ground and the output pin? ANSWER: Part B - mW For the circuit in part A, what is the total power supplied by the op amp? ANSWER: Part C- mW What would the total power supplied by the op amp be if the load resistor was 10 kQ? ANSWER: mW Part D- If the op amp can provide at most +/- 35 mA, what is the smallest load resistor you could have before hitting the current limit of the op amp? ANSWER: Ωarrow_forward
- Vin R₁ www R₂ www Vout For the given op amp circuit, calculate Vout if R₁ = R2 = 100 2 and vin = 8 V. The value of the output voltage is * V.arrow_forward1. For the circuit below assume an ideal op amp. Find Vo/Vs. R1 =2kQ2, R2 =5k0, R3 =8k and R4 =20k02. VB R1 www R4 VOarrow_forwardAssume that the ideal op amp in the circuit in the figure is operating in its linear region, Take that R₁ = 45 k and R₂ = 18 kn. Part A Calculate the power delivered to the R₂. Express your answer with the appropriate units. ANSWER: PR₂ Express your answer with the appropriate units. ANSWER: PR₂ Part C Find the ratio of the power found in Part A to that found in Part B. ANSWER: 320mV Part B Calculate the power delivered to the R₂ with the op amp removed from the circuit, that is, with the R₂ resistor connected in the series with the voltage source and the R₁ resistor. PA/PB = + Source: Loadarrow_forward
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