In the figure below, the switches S, and S, are closed simultaneously at t = 0 and a current starts to flow in the circuit. Both the batteries have the same magnitude of the electromotive force (emf) and the polarities are as indicated in the figure. Ignore mutual inductance between the inductors. The current I in the middle wire reaches its maximum magnitude Imax at time t = t. Which of the following statements is (are) true? (EMI, Sheet Similar)

In the figure below, the switches S, and S, are closed simultaneously at t = 0 and a current starts to flow in the circuit. Both the batteries have the same magnitude of the electromotive force (emf) and the polarities are as indicated in the figure. Ignore mutual inductance between the inductors. The current I in the middle wire reaches its maximum magnitude Imax at time t = t. Which of the following statements is (are) true? (EMI, Sheet Similar)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter14: Inductance

Section: Chapter Questions

Problem 52P: In Figure 14.12, =12V , L = 20 mH, and R=5.0. Determine (a) the time constant of the circuit, (b)...

See similar textbooks

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.
Design a current loop that, when rotated in a uniform magnetic field of strength 0.10 T, will produce an emf =0 sin t. where 0=110V and 0=110V .
The 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.
In Figure 14.12, =12V , L = 20 mH, and R=5.0. Determine (a) the time constant of the circuit, (b) the initial current through the resistor, (C) the final current through the resistor, (d) the current through the resistor when t=2L , and (e) the voltages across the inductor and the resistor when t=2L .
For the circuit shown below, find the current through the inductor 2.0105 s after the switch is reopened.
The armature and field coils of a series-wound motor have a total resistance of 3.0 . When connected to a 120-V source and running at normal speed, the motor draws 4.0 A. (a) How large is tire back emf? (b) What current will the motor draw just after it is turned on? Can you suggest a way to avoid this large initial current?
A 600-turn solenoid is 0.55 m long and 4.2 cm in diameter. Inside the solenoid, a small (1.1 cm × 1.4 cm), single-turn rectangular coil is fixed in place with its face perpendicular to the long axis of the solenoid. What is the mutual inductance of this system?
In the figure below the switch S is closed, Supppose the emf of the ideal battery is 12.0 V, the inductance of the ideal inductor L = 30.0 mH, and the resistance R2 = 4.34 ohms and the resistance R2 = 2.17 ohms. When i = 0.17 A 1. how much energy is delivered by the battery? 2. how much of this energy is stored in the magnetic field of the inductor? 3. how much of this energy is dissipated by both resistors? 4. what is the rate dibat/dt at t = 0, t = 0.82 s and t after a long time?
The switch in the figure below is open for t < 0 and is then thrown closed at time t = 0. Assume R = 5.00 Ω, L = 8.00 H, and = 16.0 V. Find the following as functions of time thereafter. (Do not enter units in your answers. Assume current is in A and time is in s. Use the following as necessary: t.) a) the current in the inductor b) the current in the switch