A homemade capacitor is constructed of 2 sheets of aluminum foil with an area of 2.00 square meters, separated by paper, 0.05 mm thick, of the same area and a dielectric constant of 3.7. The homemade capacitor is connected in series with a 100,00-
Trending nowThis is a popular solution!
Chapter 10 Solutions
University Physics Volume 2
Additional Science Textbook Solutions
University Physics with Modern Physics (14th Edition)
Sears And Zemansky's University Physics With Modern Physics
Modern Physics
Tutorials in Introductory Physics
University Physics Volume 1
Life in the Universe (4th Edition)
- The timing device in an automobile’s intermittent wiper system is based on an RC time constant and utilizes 0.5.00F capacitor and available resistor. Over what range must R be made to vary to achieve time constants from 2.00 to 15.0 s?arrow_forwardThe duration of a photographic flash is related to an RC time constant, which is 0.100F for a certain camera, (a) If the resistance of the flash lamp is 0.0400 duringdischarge, what is the size of the capacitor supplying its energy? (b) What is the time constant for charging the capacitor, if the charging resistance is 800 k ?arrow_forwardAn ECG monitor must have an KC time constant lessthan 1.00102s to be able to measure variations involtage oversmall time intervals, (a) If the resistance of the circuit (duemostly to that of the patient's chest) is 1.00kTwhat is the maximum capacitance of the circuit?(b) Would It be difficult in practice to limit the capacitance to less than the value found in (a)?arrow_forward
- In an RC series circuit, e = 12.0 V. R 1.26 NS2, and C 1.70 F. (a) Calculate the time constant. (b) Find the maximum charge that will appear on the capacitor during charging, (c) How long does it take for the charge to build up to 7.92 µC? I Switch S in in the figure is closed at time t = 0, to begin charging an initially uncharged capacitor of capacitance C = 15.1 F through a resistor of resistance R 22.1 2. At what time is the potential across the capacitor equal to that across the resistor? my Carrow_forwardA simple RC circuit is composed of resistor and capacitor which is connected in a series to a constant voltage source which start charging at time t=0. what is the number of time constants T needed to charge the capacitor at 99.9% of the maximum charge?arrow_forwardConsider a camera’s flash unit. Construct a problem in which you calculate the size of the capacitor that stores energy for the flash lamp. Among the things to be considered are the voltage applied to the capacitor, the energy needed in the flash and the associated charge needed on the capacitor, theresistance of the flash lamp during discharge, and the desired RC time constant.arrow_forward
- Imagine that we had a RC circuit with a 19.2 kilo-ohm resistor connected in parallel with a 16 kilo-ohm resistor and they were connected to two capacitors (404.2 uF, 350.1 uF) that are in series. What is the time constant of this circuit?arrow_forwardA voltage of V0 is applied from the battery to the RC circuit as shown in the figure. The potential difference across the capacitor is observed with the help of a voltmeter whose internal resistance is Riç = 12 MΩ. if the values of the resistor and capacitor are R=4 MΩ and C=20µF, respectively, a)Calculate the time constant (τ) of this RC circuit by including the internal resistance of voltmeter. b) Calculate the time constant (τ) of this RC circuit by not including the internal resistance of voltmeter. c) What is the difference in your results of a) and b)? Explain the difference with its reasonarrow_forwardA circuit contains a D cell battery, a switch, a 20-Ω resistor, and four 20-mF capacitors connected in series. (a) What is the equivalent capacitance of the circuit? (b) What is the RC time constant? (c) How long before the currentdecreases to 50% of the initial value once the switch is closed?arrow_forward
- Suppose that a simple RC circuit composed of a resistor andcapacitor connected in series to a constant voltage source started chargingat time t = 0. Find the number of time constants needed to charge thecapacitor 99.9% of the maximum charge.arrow_forwardProblem 10: If you try and measure the voltage of a battery with a voltmeter connected in series, you won't get a completely accurate measurement because of the internal resistance of the battery. To see how large this effect is, consider trying to measure the terminal voltage of a 1.585 V alkaline cell having an internal resistance of 52 2 by placing a 0.95 k2 voltmeter across its terminals. Randomized Variables ww R = 0.95 k2 r = 52 Q r emf Part (a) What current flows in A? Numeric : A numeric value is expected and not an expression. I = Part (b) Find the terminal voltage in V. Numeric : A numeric value is expected and not an expression. V = Part (c) To see how close the measured terminal voltage is to the emf, calculate their ratio. Numeric : A numeric value is expected and not an expression. V/e =arrow_forwardAn RC circuit, comprising a charged capacitor in series with a resistor and a switch, has R = (6.40x10^0) kOhm and C= (3.070x10^O) uF (10-6 F). The capacitor is at full voltage Vo at t = 0, when the switch is closed. How long does it take the capacitor to discharge to 1.0 percent of its initial voltage? Give your answer in seconds to 3 sf. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answerarrow_forward
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning