A 5.0 mH inductor and a 10.0 resistor are connected in series with a 6.0 V ideal battery and a switch. (a) Immediately after the switch is closed what is the voltage across and current in the resistor? (b) Immediately after the switch is closed what is the voltage across and current in the inductor? (c) How long will it take to reach 75.0% of the maximum current in the

A 5.0 mH inductor and a 10.0 resistor are connected in series with a 6.0 V ideal battery and a switch. (a) Immediately after the switch is closed what is the voltage across and current in the resistor? (b) Immediately after the switch is closed what is the voltage across and current in the inductor? (c) How long will it take to reach 75.0% of the maximum current in the

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter23: Faraday’s Law And Inductance

Section: Chapter Questions

Problem 46P

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(a) What is the voltage output of a transformer used for rechargeable flashlight batteries, if its primary has 500 turns, its secondary 4 turns, and the input voltage is 120 V? (b) What input current is required to produce a 4.00 A output? (c) What is the power input?
(a) What is the characteristic time constant of a 25.0 mH inductor that has a resistance of 4.00 ? (b) If it is connected to a 12.0 V battery, what is the current after 12.5 ms?
You are trying to become a member of the Physics Olympics team. Your physics professor is training you and some other students by having you compete with each other to solve problems as accurately and quickly as you can. During one session, he springs the RLC circuit shown in Figure P32.47 (page 872) on you. Figure P32.47a shows the circuit with a battery as the energy source. The battery has an emf E and internal resistance r. He tells you the following, assuming switch S has been at position a for a long time: If only switch SL is closed, and switches SC and SR are open, and then switch S is thrown to position b, the time constant of the circuit is 1 = 0.200 ms. Switch S is returned to position a for a long time. Figure P32.47 If only switch SC is closed, and switches SL and SR are open, and then switch S is thrown to position b, the time constant of the circuit is 2 = 0.050 0 ms. Switch S is returned to position a for a long time. In Figure P32.47b, an AC source with a variable frequency has been added to the same circuit, and switch S is thrown to position b. Switches SC, SL, and SR are all open. At what angular frequency should the AC source be set so that the circuit exhibits resonance? Quick! Get to work!
Figure P29.84 shows a circuit that consists of two identical emf devices. If R1 = R2 = R and the switch is closed, find an expression (in terms of R and ) for the current I that is in the branch from point a to b.
The figures below show six circuits which consist of identical ideal batteries, resistors, and inductors. All of the switches are closed at the same time. Rank the circuits based on the current through the battery a very long time after the switch is closed. Rank from largest to smallest. To rank items as equivalent, overlap them.
The figures below show six circuits which consist of identical ideal batteries, resistors, and inductors. All of the switches are closed at the same time. Rank the circuits based on the current through the battery immediately after the switch is closed. Rank from largest to smallest. To rank items as equivalent, overlap them.
The figures below show six circuits which consist of identical ideal batteries, resistors, and inductors. All of the switches are closed at the same time. Rank the circuits based on the current through the battery a very long time after the switch is closed. Rank from largest to smallest. To rank items as equivalent, overlap them.
The figures below show six circuits which consist of identical ideal batteries, resistors, and inductors. All of the switches are closed at the same time. Rank the circuits based on the current through the battery immediately after the switch is closed. Rank from largest to smallest. To rank items as equivalent, overlap them.
The 4.00 A current through a 1.30 H inductor is dissipated by a 2.00 Ω resistor in a circuit like that in the figure below with the switch in position 2. a. What is the initial energy in the inductor? b. How long will it take the current to decline to 15.00% of its initial value? c. Calculate the average power dissipated in the inductor. d. What is the ratio of the initial power dissipated by the resistor to the average power dissipated by the inductor?
#Q03
Camera flashes charge a capacitor to high voltage by switching the current through an inductor on and off rapidly. L = 2.7 mH I = 0.26 A E = 515 V In how many seconds must the 0.26 A current through a 2.7 mH inductor be switched on or off to induce an average 515 V emf? At =
1. A 0.25 µF capacitor is charged with an 8V battery. It is then discharged through a 16H inductor as shown starting at t=0. a) What is the value of the initial charge on C? b) At what next time will the charge on C be equal to the answer to part 2a? c) What is the value of the maximum current through L? d) At what first time after t=0 will the maximum current occur? C