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Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN: 9781133939146
Author: Katz, Debora M.
Publisher: Cengage Learning
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Chapter 29, Problem 87PQ
To determine
The expression for current
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In a RC circuit connected to a battery, when the switch S is closed, charge on the capacitor
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value of R which will charge the capacitor? Choose the closest answer to the value you
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10 ΚΩ
50 ΚΩ
2.5 ΚΩ
0.5 ΚΩ
1.5 ΚΩ
5 ΚΩ
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B.
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The circuit in the figure below contains two resistors, R1 = 2.10 kΩ and R2 = 2.60 kΩ, and two capacitors, C1 = 2.30 µF and C2 = 3.30 µF, connected to a battery with emf = 105 V. There are no charges on the capacitors before switch S is closed.
I need help with part a and part b.
See image for the original question.
In the circuit below, the capacitor starts out uncharged. The resistance is R = 118 Ω, capacitance is C = 0.0647 F, and the battery emf is 16.7 V. What is the charge (Q) on the capacitor at a time of t = 3.72 seconds after the switch is closed?
Chapter 29 Solutions
Physics for Scientists and Engineers: Foundations and Connections
Ch. 29.1 - What are the SI units of ?Ch. 29.1 - Prob. 29.2CECh. 29.2 - Prob. 29.3CECh. 29.4 - Prob. 29.5CECh. 29.4 - Prob. 29.6CECh. 29.5 - Prob. 29.7CECh. 29 - Study the symbols in Table 29.2. Then, without...Ch. 29 - Prob. 2PQCh. 29 - Prob. 3PQCh. 29 - Suppose you need to measure the potential...
Ch. 29 - Prob. 5PQCh. 29 - Prob. 6PQCh. 29 - A real battery (modeled as an ideal emf device in...Ch. 29 - Prob. 8PQCh. 29 - Two circuits made up of identical ideal emf...Ch. 29 - Prob. 10PQCh. 29 - Prob. 11PQCh. 29 - Prob. 12PQCh. 29 - Eight real batteries, each with an emf of 5.00 V...Ch. 29 - Prob. 14PQCh. 29 - Prob. 15PQCh. 29 - Prob. 16PQCh. 29 - Prob. 17PQCh. 29 - Prob. 18PQCh. 29 - Prob. 19PQCh. 29 - An ideal emf device with emf is connected to two...Ch. 29 - Prob. 21PQCh. 29 - Prob. 22PQCh. 29 - Prob. 23PQCh. 29 - Prob. 24PQCh. 29 - Prob. 25PQCh. 29 - Prob. 26PQCh. 29 - Determine the currents through the resistors R2,...Ch. 29 - The emf devices in the circuits shown in Figure...Ch. 29 - Prob. 29PQCh. 29 - Prob. 30PQCh. 29 - Prob. 31PQCh. 29 - Prob. 32PQCh. 29 - Prob. 33PQCh. 29 - Prob. 34PQCh. 29 - A Figure P29.35 shows a combination of six...Ch. 29 - A Each resistor shown in Figure P29.36 has...Ch. 29 - Each resistor shown in Figure P29.36 has a...Ch. 29 - Prob. 38PQCh. 29 - Prob. 39PQCh. 29 - The emf in Figure P29.40 is 4.54 V. The...Ch. 29 - Figure P29.41 shows three resistors (R1 = 14.0 ,...Ch. 29 - Figure P29.42 shows five resistors and two...Ch. 29 - The emfs in Figure P29.43 are 1 = 6.00 V and 2 =...Ch. 29 - Prob. 44PQCh. 29 - Figure P29.45 shows five resistors connected...Ch. 29 - Figure P29.46 shows a circuit with a 12.0-V...Ch. 29 - Two ideal emf devices are connected to a set of...Ch. 29 - Two ideal emf devices are connected to a set of...Ch. 29 - Three resistors with resistances R1 = R/2 and R2 =...Ch. 29 - Prob. 51PQCh. 29 - Prob. 52PQCh. 29 - Prob. 53PQCh. 29 - Prob. 55PQCh. 29 - At time t = 0, an RC circuit consists of a 12.0-V...Ch. 29 - A 210.0- resistor and an initially uncharged...Ch. 29 - Prob. 58PQCh. 29 - A real battery with internal resistance 0.500 and...Ch. 29 - Figure P29.60 shows a simple RC circuit with a...Ch. 29 - Prob. 61PQCh. 29 - Prob. 62PQCh. 29 - Prob. 63PQCh. 29 - Ralph has three resistors, R1, R2, and R3,...Ch. 29 - Prob. 65PQCh. 29 - An ideal emf device is connected to a set of...Ch. 29 - Prob. 67PQCh. 29 - An ideal emf device (24.0 V) is connected to a set...Ch. 29 - Prob. 69PQCh. 29 - What is the equivalent resistance between points a...Ch. 29 - A capacitor with initial charge Q0 is connected...Ch. 29 - Prob. 73PQCh. 29 - Prob. 74PQCh. 29 - Prob. 75PQCh. 29 - Prob. 76PQCh. 29 - Figure P29.77 shows a circuit with two batteries...Ch. 29 - In the RC circuit shown in Figure P29.78, an ideal...Ch. 29 - Prob. 79PQCh. 29 - Calculate the equivalent resistance between points...Ch. 29 - In Figure P29.81, N real batteries, each with an...Ch. 29 - Prob. 82PQCh. 29 - Prob. 83PQCh. 29 - Prob. 84PQCh. 29 - Figure P29.84 shows a circuit that consists of two...Ch. 29 - Prob. 86PQCh. 29 - Prob. 87PQCh. 29 - Prob. 88PQCh. 29 - Prob. 89PQCh. 29 - Prob. 90PQCh. 29 - Prob. 91PQCh. 29 - Prob. 92PQCh. 29 - Prob. 93PQCh. 29 - Prob. 94PQCh. 29 - Prob. 95PQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Three resistors with resistances R1 = R/2 and R2 = R3 = R are connected as shown, and a potential difference of 225 V is applied across terminals a and b (Fig. P29.49). a. If the resistor R1 dissipates 75.0 W of power, what is the value of R? b. What is the total power supplied to the circuit by the emf? c. What is the potential difference across each of the three resistors?arrow_forwardTwo circuits made up of identical ideal emf devices ( = 1.67 V) and resistors (R = 35.9 ) are shown in Figure P29.8. What is the potential difference Vb Va a. for circuit 1 and b. for circuit 2? What is the current in the resistor c. in circuit 1 and d. in circuit 2?arrow_forwardAn ideal emf device (24.0 V) is connected to a set of resistors as shown in Figure P29.66. If R1 = 22.5 , R2 = 52.5 , R3 = 125 , and R4 = 75.0 , what is the voltage drop across each resistor?arrow_forward
- Eight real batteries, each with an emf of 5.00 V and an internal resistance of 0.200 , are connected end to end in a loop as in Figure P29.13. What is the terminal voltage across one of the batteries between points a and b?arrow_forwardEach resistor in the three circuits in the drawing has the same resistance R, and the batteries have the same voltage V. The values for R and Vare 50 and 6.0 V, respectively. Determine the total power delivered by the battery in each of the three circuits. PA= i PB = i Pc i R www R www R wwww R P Circuit A R www R R F V Circuit C R ww wwwww R www R R www R www R Circuit B Rarrow_forwardConsider the circuit shown. Assume that the battery connected is ideal. Let V = 16V, C = 2µF , R1 = 1kN, and R2 = R3 = R4 = kN. s1 R2 c1 v1 R1 R4 R3 a) Time Constant. Solve for the time constant of the circuit. Express your final answer in seconds. b) Charging. Suppose the capacitor is initially uncharged and the switch is closed at t = Os. What would be the charge inside the capacitor at t = 3.5 ms? Express your final answer in Coulombs.arrow_forward
- A circuit consisting of 5 resistors is shown in the graph. Their resistances are R1 = 16 Ω, R2 = 35 Ω, R3 = 93 Ω, R4 = 36 Ω, and R5 = 32 Ω, and the emf of the battery is ε = 3.5 V. Suppose the internal resistance of the battery is zero. a. Express the current I through R1 in terms of the emf ε and the equivalent resistance R. b. Express the power P dissipated by R1 through I and R1. c. Calculate the numerical value of I in A. d. Calculate the numerical value of the power P in W.arrow_forwardThe switch given has been closed for a very long time.a. What is the charge on the capacitor?b. The switch is opened at t = 0 s. At what time has the charge on the capacitor decreased to 10% of its initial value?arrow_forward15V a. + AM 10.2. 4 t=0 um 45² 652 im + V 1 ic (t) b. Assume switch has been closed for Find a mathematical expression for Vc it capacitor is initially uncharged and the switch is closed at t = 0. Sketch Vc lt). 20m F a long time. opening Fird an expression for ic immediately after the switch and sketch it.arrow_forward
- a E R · E2 A The figure shows an electric circuit where the box A is a black box (i.e., it contains certain devices in them, but either you don't know or you don't care what it contains). The two emf devices give energy to the circuit with powers P and P2, while the black box uses energy with power PA. Data: I = 0.2 A, P = 11 W, P2 = 37 W, Ра — 40 W. (a) What is the potential drop Vab on the resistor? Vab v (b) What is the resistance R of the resistor? Rarrow_forwardGive the symbolic expression for the emf E using KVL for the circuit with S1 closed and S2 open. Give your answer in terms of the current I, resistor R, capacitors C1 and C2 and charges stored in the respective capacitors Q1 and Q2. Use * to denote product and / to denote division. So to group the product of, say, a and b_1 write a*b_1. And to write a ratio of say, c_1 and d write c_1/d. To add the product and ratio write a*b_1 + c_1/d . a)Write the mathematical expression for emf E. E= In the figure there's a circuit with an emf E=21V, two resistors R1=35kΩ and R2=5.5kΩ, two capacitors C1=25μF and C2=22μF and two switches S1 and S2. b) Find the time constant for this configuration of the circuit. Time constant τ c) Find how much charge will be stored in C2 after time t=1.3τ seconds. Charge stored in C2 PartII After t=10τ seconds, we open switch S1 and close switch S2. Mark current time as t′=0. In this configuration, capacitor C2 discharges through the resistor R2. d) Find…arrow_forwardIn the circuit below, C1 = 10.0 µF and C, = 30.0 pF are initially uncharged. First the switch is thrown to position A and C, is charged. Then the switch is thrown to the position B. If the energy in C, is U2 = 135.0 µJ, find the emf E of the battery. %3D C A.B Select one: a. 3.0 V b. 12.0 V C. 21.0 V d. 210.0 V e. 30.0 Varrow_forward
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