Fundamentals of Physics Extended
10th Edition
ISBN: 9781118230725
Author: David Halliday, Robert Resnick, Jearl Walker
Publisher: Wiley, John & Sons, Incorporated
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 30, Problem 83P
To determine
To Find:
At what time the emf across the inductor is equal to the potential difference across the resistor
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
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 = 3.80 kn, RB = 7.10 kn, and L = 646 mH.
RA
a
୪୪୪
L
b
RB
(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
Switch S is closed at time t =0, initiating the buildup of current in the 15.0 mH inductor and the 20.0 ohmresistor. At what time is the emf across the inductor equal to the potential difference across the resistor?
An RL circuit has an emf source of 28 v, a 62 resistor, a 38 H inductor, and a
switch. At what rate, as a function of t, does the emf across the inductor
change after the switch is closed?
Chapter 30 Solutions
Fundamentals of Physics Extended
Ch. 30 - If the circular conductor in Fig. 30-21 undergoes...Ch. 30 - Prob. 2QCh. 30 - Prob. 3QCh. 30 - Prob. 4QCh. 30 - Prob. 5QCh. 30 - Prob. 6QCh. 30 - Prob. 7QCh. 30 - Prob. 8QCh. 30 - Prob. 9QCh. 30 - Prob. 10Q
Ch. 30 - Figure 30-31 shows three situations in which a...Ch. 30 - Figure 30-32 gives four situations in which we...Ch. 30 - Prob. 1PCh. 30 - A certain elastic conducting material is stretched...Ch. 30 - Prob. 3PCh. 30 - A wire loop of radius 12 cm and resistance 8.5 is...Ch. 30 - Prob. 5PCh. 30 - Figure 30-37a shows a circuit consisting of an...Ch. 30 - In Fig. 30-38, the magnetic flux through the loop...Ch. 30 - Prob. 8PCh. 30 - Prob. 9PCh. 30 - Prob. 10PCh. 30 - A rectangular coil of N turns and of length a and...Ch. 30 - Prob. 12PCh. 30 - Prob. 13PCh. 30 - GO In Fig. 30-42a, a uniform magnetic field B...Ch. 30 - GO A square wire loop with 2.00 m sides is...Ch. 30 - GO Figure 30-44a shows a wire that forms a...Ch. 30 - A small circular loop of area 2.00 cm2 is placed...Ch. 30 - Prob. 18PCh. 30 - ILW An electric generator contains a coil of 100...Ch. 30 - At a certain place, Earths magnetic field has...Ch. 30 - Prob. 21PCh. 30 - A rectangular loop area = 0.15 m2 turns in a...Ch. 30 - SSM Figure 30-47 shows two parallel loops of wire...Ch. 30 - Prob. 24PCh. 30 - GO Two long, parallel copper wires of diameter 2.5...Ch. 30 - GO For the wire arrangement in Fig. 30-49, a =...Ch. 30 - ILW As seen in Fig. 30-50, a square loop of wire...Ch. 30 - Prob. 28PCh. 30 - Prob. 29PCh. 30 - Prob. 30PCh. 30 - Prob. 31PCh. 30 - A loop antenna of area 2.00 cm2 and resistance...Ch. 30 - GO Figure 30-54 shows a rod of length L = 10.0 cm...Ch. 30 - Prob. 34PCh. 30 - Prob. 35PCh. 30 - Prob. 36PCh. 30 - Prob. 37PCh. 30 - Prob. 38PCh. 30 - Prob. 39PCh. 30 - Prob. 40PCh. 30 - A circular coil has a 10.0 cm radius and consists...Ch. 30 - Prob. 42PCh. 30 - Prob. 43PCh. 30 - Prob. 44PCh. 30 - Prob. 45PCh. 30 - Prob. 46PCh. 30 - Inductors in series. Two inductors L1 and L2 are...Ch. 30 - Prob. 48PCh. 30 - Prob. 49PCh. 30 - Prob. 50PCh. 30 - ILW The current in an RL circuit drops from 1.0 A...Ch. 30 - Prob. 52PCh. 30 - Prob. 53PCh. 30 - Prob. 54PCh. 30 - Prob. 55PCh. 30 - Prob. 56PCh. 30 - In Fig. 30-65, R = 15 , L = 5.0 H, the ideal...Ch. 30 - Prob. 58PCh. 30 - Prob. 59PCh. 30 - Prob. 60PCh. 30 - Prob. 61PCh. 30 - A coil with an inductance of 2.0 H and a...Ch. 30 - Prob. 63PCh. 30 - Prob. 64PCh. 30 - Prob. 65PCh. 30 - A circular loop of wire 50 mm in radius carries a...Ch. 30 - Prob. 67PCh. 30 - Prob. 68PCh. 30 - ILW What must be the magnitude of a uniform...Ch. 30 - Prob. 70PCh. 30 - Prob. 71PCh. 30 - Prob. 72PCh. 30 - Prob. 73PCh. 30 - Prob. 74PCh. 30 - Prob. 75PCh. 30 - Prob. 76PCh. 30 - Prob. 77PCh. 30 - Prob. 78PCh. 30 - SSM In Fig. 30-71, the battery is ideal and = 10...Ch. 30 - Prob. 80PCh. 30 - Prob. 81PCh. 30 - A uniform magnetic field B is perpendicular to the...Ch. 30 - Prob. 83PCh. 30 - Prob. 84PCh. 30 - Prob. 85PCh. 30 - Prob. 86PCh. 30 - Prob. 87PCh. 30 - Prob. 88PCh. 30 - A coil with an inductance of 2.0 H and a...Ch. 30 - Prob. 90PCh. 30 - Prob. 91PCh. 30 - Prob. 92PCh. 30 - Prob. 93PCh. 30 - A long cylindrical solenoid with 100 turns/cm has...Ch. 30 - Prob. 95PCh. 30 - A square loop of wire is held in a uniform 0.24 T...Ch. 30 - Prob. 97PCh. 30 - The inductance of a closely wound coil is such...Ch. 30 - The magnetic field in the interstellar space of...Ch. 30 - Prob. 100PCh. 30 - A toroid has a 5.00 cm square cross section, an...
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
- Show that Equation 32.28 in the text Ls Kirchhoffs loop rule as applied to the circuit in Figure P32.56 with the switch thrown to position b.arrow_forwardThe current I(t) through a 5.0-mH inductor varies with time, as shown below. The resistance of the inductor is 5.0 . Calculate the voltage across the inductor at t = 2.0 ms, r = 4.0 ms, and t = 8.0 ms.arrow_forwardInitially, an inductor with no resistance carries a constant current. Then the current is brought to a new constant value twice as large. After this change, when the current is constant at its higher value, what has happened to the emf in the inductor?arrow_forward
- What is the total energy stored in the 10 pH and 60 μH inductors if a current of 2 Amps flows through them? 70× 10-6J 7×10-6J 140 × 10-6J 280 × 10-6J 5μΗ 10 Η 60μ Ηarrow_forwardRank the following inductors in order of the potential difference Vab , from most positive to most negative. In each case the inductor has zero resistance and the current flows from point a through the inductor to point b. (i) The current through a 2.0 mH inductor increases from 1.0 A to 2.0 A in 0.50 s; (ii) the current through a 4.0 mH inductor decreases from 3.0 A to 0 in 2.0 s; (iii) the current through a 1.0 mH inductor remains constant at 4.0 A; (iv) the current through a 1.0 mH inductor increases from 0 to 4.0 A in 0.25 s.arrow_forwardA battery of emf E is connected in series with a resistor, an inductor L, and a switch S. A capacitor C is connected in parallel to the inductor. When the switch is left in the closed position for a long time, the potential difference across the capacitor is zero. The switch is opened and the maximum potential difference across the capacitor is measured to be 140 V. Determine the capacitance of the capacitor if E = 60 V, R = 125 N, and L = 54.0 mH. ww Rarrow_forward
- A 7.2-mH inductor is connected to a current. What is the magnitude of the voltage in the inductor at time t = 3.0 s if the current is I(t) = 5 + 7t -2t2? (Assume two significant digits for each number.)arrow_forwardAn inductor has a current I(t) = (0.480 A) cos[(260 s-1)t] flowing through it. If the maximum emf %3D across the inductor is equal to 0.530 V, what is the self-inductance of the inductor, in mH? A 110-V hair dryer is rated at 1200 W. What current will it draw when operating from a 110-V electrical outlet? A small glass bead has been charged to 4.5 nC. What is the magnitude of the electric field 2.0 cm from the center of the bead? (k = 1/4nE 0 = 8.99 x 10° N. m2/C2) %3Darrow_forwardWhere a 44 V battery is connected to three resistors and an inductor with values R1 = 96 Ω, R2 = 24 Ω, R3 = 40 Ω, and L = 16 H. The switch has been OPEN for a LONG TIME. IMMEDIATELY AFTER we CLOSE the switch, what is the current in R3? 0.743 A 0.324 A 0.000 A 1.100 Aarrow_forward
- A resistor and an inductor are connected in series to a battery with emf 240 V and negligible internal resistance. The circuit is completed at time t = 0. At a later time t = T the current is 5.00 A and is increasing at a rate of 20.0 A>s. After a long time the current in the circuit is 15.0 A. What is the value of T, the time when the current is 5.00 A?arrow_forwardAt time t-0, the switch is closed. What is the current thru the inductor L after a long time? O 3.0 A O 1.0 A O 2.0A O 0.25 A O 0.5 A O 1.25 A O OA 4 Previous V=10V R₁ = 100 L=10H R₂=1002 Next >arrow_forwardHow much energy is stored in a 60 mH inductor when a 3 A current is flowing through it? ○ 90 mJ ○ 5400 mJ ○ 5mJ ○ 270 mJ O 540 mJ O 180 mJ O 20 mJarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- Physics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher: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, Technology ...
Physics
ISBN:9781305116399
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
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning