Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN: 9781337553292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 31, Problem 38AP
(a)
To determine
The inductor behaves like an open circuit or short circuit or a resister of some particular resistance or none of those choices before the switch is opened.
(b)
To determine
The current carried by the inductor.
(c)
To determine
The energy stored in the inductor.
(d)
To determine
The energy previously stored in the inductor after the switch is opened.
(e)
To determine
To draw: The graph of the current in the inductor for
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
The switch in the circuit shown in the figure has been open for a long time. The resistors in the circuit each have a value of 60 Ω, the inductors each have a value of 60 mH, and V = 10 V.
(a) What is the total equivalent inductance of the circuit between points A and B?
(b) What is the current through R1 the instant after the switch is closed?
(c) What is the current through R1 long after the switch has been closed?
After being closed for a long time, the switch S in the circuit shown in the figure below is thrown open at
t = 0.
In the circuit,
= 24.0 V,
RA = 4.50 kΩ,
RB = 7.10 kΩ,
and
L = 513 mH.
(a) What is the emf across the inductor immediately after the switch is opened? V(b) When does the current in the resistor RB have a magnitude of 1.00 mA? s
For physics lab, two students constructed an RL circuit similar to the one shown in the figure, with = 6.00 V, L = 5.00 mH, and R = 7.60 0.
+
E
ms
S
(a) What is the inductive time constant of the circuit (in ms)?
R
(b) Calculate the current in the circuit (in A) 250 μs after the switch is closed.
A
(c) What is the value of the final steady-state current (in A)?
A
ms
(d) After what time interval (in ms) does the current reach 80.0% of its maximum value?
Chapter 31 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 31.1 - A coil with zero resistance has its ends labeled a...Ch. 31.2 - Prob. 31.2QQCh. 31.3 - Prob. 31.3QQCh. 31.4 - Prob. 31.4QQCh. 31.5 - (i) At an instant of time during the oscillations...Ch. 31 - Prob. 1PCh. 31 - Prob. 2PCh. 31 - Prob. 3PCh. 31 - Prob. 4PCh. 31 - Prob. 5P
Ch. 31 - A toroid has a major radius R and a minor radius r...Ch. 31 - Prob. 7PCh. 31 - Prob. 8PCh. 31 - Prob. 9PCh. 31 - Prob. 10PCh. 31 - Prob. 11PCh. 31 - Prob. 12PCh. 31 - Prob. 13PCh. 31 - You are working as a demonstration assistant for a...Ch. 31 - Prob. 15PCh. 31 - Prob. 16PCh. 31 - Prob. 17PCh. 31 - Prob. 18PCh. 31 - Prob. 19PCh. 31 - Prob. 20PCh. 31 - Prob. 21PCh. 31 - Prob. 22PCh. 31 - Prob. 23PCh. 31 - Prob. 24PCh. 31 - Prob. 25PCh. 31 - Prob. 26PCh. 31 - Prob. 27PCh. 31 - Prob. 28PCh. 31 - In the circuit of Figure P31.29, the battery emf...Ch. 31 - Prob. 30PCh. 31 - Prob. 31PCh. 31 - Prob. 32PCh. 31 - In Figure 31.15, let R = 7.60 , L = 2.20 mH, and C...Ch. 31 - Prob. 34PCh. 31 - Electrical oscillations are initiated in a series...Ch. 31 - Prob. 36APCh. 31 - A capacitor in a series LC circuit has an initial...Ch. 31 - Prob. 38APCh. 31 - Prob. 39APCh. 31 - At the moment t = 0, a 24.0-V battery is connected...Ch. 31 - Prob. 41APCh. 31 - Prob. 42APCh. 31 - Prob. 43APCh. 31 - Prob. 44APCh. 31 - Prob. 45APCh. 31 - At t = 0, the open switch in Figure P31.46 is...Ch. 31 - Prob. 47APCh. 31 - Prob. 48APCh. 31 - Prob. 49APCh. 31 - Prob. 50CPCh. 31 - Prob. 51CPCh. 31 - Prob. 52CPCh. 31 - Prob. 53CP
Knowledge Booster
Learn more about
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
- A thin wire = 30.0 cm long is held parallel to and d = 80.0 cm above a long, thin wire carrying I = 200 A and fixed in position (Fig. P30.47). The 30.0-cm wire is released at the instant t = 0 and falls, remaining parallel to the current-carrying wire as it falls. Assume the falling wire accelerates at 9.80 m/s2. (a) Derive an equation for the emf induced in it as a function of time. (b) What is the minimum value of the emf? (c) What is the maximum value? (d) What is the induced emf 0.300 s after the wire is released? Figure P30.47arrow_forwardConsider the circuit in Figure P32.18, taking = 6.00 V, L = 8.00 mH, and R = 4.00 . (a) What is the inductive time constant of the circuit? (b) Calculate the current in the circuit 250 s after the switch is closed. (c) What is the value of the final steady-state current? (d) After what time interval does the current reach 80.0% of its maximum value?arrow_forwardEach of the three situations in Figure P32.68 shows a resistor in a circuit in which currents are induced. Using Lenzs law, determine whether the current in each situation is from a to b or from b to a. a. If the current I in the wire in Figure P32.68A is increased from zero to I, what is the direction of the current induced across the resistor R? b. The switch in Figure P32.68B is initially closed and is thrown open at t = 0. What is the direction of the current induced across the resistor R immediately afterward? c. A bar magnet is brought close to the circuit shown in Figure P32.68C. What is the direction of the current induced across the resistor R?arrow_forward
- For the circuit in the figure, at t = 0 the switch S is closed with the capacitor uncharged. If C = 48 µF, ɛ = 80V, and R = 4 kQ, what is the charge (in mC) on the capacitor when the current in the circuit is | = 7 mA? %3D %D S R Select one: O A. 1.49 Ов. 4.27 Ос. 2.50 OD. 2.95 O E. 5.18arrow_forwardThe switch in the figure below is connected to position a for a long time interval. Att = 0, the switch is thrown to position b. After this time, what are the following? (Let C = 1.40 µF.) 10.0 N 0.100 H a ll S + '12.0 V (a) the frequency of oscillation of the LC circuit |425.5 Hz (b) the maximum charge that appears on the capacitor 16.8 (c) the maximum current in the inductor 37.4 The energy stored in the inductor is a maximum when the current is a maximum. mAarrow_forwardIn the circuit diagrammed as shown, assume the switch has been closed for a long time interval and is opened at t = 0. Also assume R = 4.00 Ω, L = 1.00 H, and ε = 10.0 V.(a) Before the switch is opened, does the inductor behaveas an open circuit, a short circuit, a resistor of some particular resistance, or none of those choices? (b) What current does the inductor carry? (c) How much energy is stored in the inductor for t < 0? (d) After the switch is opened, what happens to the energy previously stored in the inductor? (e) Sketch a graph of the current in the inductor for t ≥ 0. Label the initial and final values and the time constant.arrow_forward
- In the figure below, R1 =10.0kΩ, R2 =15.0kΩ, C=0.40μF, and the ideal battery has an emf E=20.0V. First, the switch is closed until the system reaches steady state; then, the switch is opened at time t = 0 and the capacitor starts to discharge. What is the current in R2 at t = 3.00 ms?arrow_forwardThe capacitor in the circuit shown below is initially uncharged. The switch is closed at t = 0 s. ΔVbattery = 60 V, C = 2.0 F, and R = 3.0 Ω. What is the current in the circuit immediately after the switch is closed, in Ampere?arrow_forwardThe capacitor in the circuit shown below is initially uncharged. The switch is closed at t = 0 s. ΔVbattery = 60 V, C = 2.0 F, and R = 3.0 Ω. What is the current in the circuit immediately after the switch is closed, in Ampere?arrow_forward
- In the circuit of the Figure, the switch S has been open for a long time. It is then suddenly closed. Given: R1 R2 C V (V) R₁ V (ΚΩ) | (ΚΩ) | (LF) 112 105 28.8 30.2 Determine the time constant (unit in second) before the switch is closed. S R₂ Carrow_forwardConsider the circuit shown in the figure below. Take E = 6.00 V, L = 8.64 mH, and R = 3.96 Q. + R (a) What is the inductive time constant of the circuit? ms (b) Calculate the current in the circuit 250 µs after the switch is closed. A (c) What is the value of the final steady-state current? A (d) How long does it take the current to reach 82.0% of its maximum value? msarrow_forwardIn a circuit the switch S has been open for a long time. It is suddenly closed. Take emf=10.0 V, R1=50.0 kOhms, R2=100 kOhms, and C=10.0 uF. Determine the time constant (a) before the switch is closed and (b) after the switch is closed. (c)Let the switch be closed at t=0. Determine the current in the switch as a function of time.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning