Essential University Physics: Volume 2 (3rd Edition)
3rd Edition
ISBN: 9780321976420
Author: Richard Wolfson
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 28, Problem 21E
A 15-μF capacitor carries 1.4 A rms. What’s its minimum safe voltage rating if the frequency is (a) 60 Hz and (b) 1.0 kHz?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
a) The peak voltage of an ac supply is 300V. What is the rms voltage?
A microphone has a resistance of 7.8 Ω. When the microphone is connected to a voltage source, the average power it dissipates is 89 W.
(a) What is the rms current? in A(b) What is the peak voltage?
A 10-µF capacitor is plugged into a 110 V-rms 60-Hz voltage source, with an ammeter in series. What is the rms value of the current through the capacitor?
Chapter 28 Solutions
Essential University Physics: Volume 2 (3rd Edition)
Ch. 28.1 - What are the peak voltage and angular frequency of...Ch. 28.2 - Prob. 28.2GICh. 28.3 - You have an LC circuit that oscillates at a...Ch. 28.4 - You measure the capacitor and inductor voltages in...Ch. 28.5 - A resistor and capacitor are connected in series...Ch. 28.6 - A distribution line in a city supplies AC power at...Ch. 28 - Two AC signals have the same amplitude but...Ch. 28 - Whats meant by the statement, A capacitor acts...Ch. 28 - Theres an insulating gap between capacitor plates,...Ch. 28 - Why does it make sense that inductive reactance...
Ch. 28 - The same AC voltage appears across a capacitor and...Ch. 28 - When a particular inductor and capacitor are...Ch. 28 - An inductor and capacitor are connected in series...Ch. 28 - When the capacitor voltage in an undriven LC...Ch. 28 - Why is Equation 28.5 not a full description of the...Ch. 28 - The applied voltage in a series RLC circuit lags...Ch. 28 - The voltage across two components in series is...Ch. 28 - If you measure the rms voltages across the...Ch. 28 - A step-up transformer increases voltage, or energy...Ch. 28 - Much of Europe uses AC power at 230 V rms and 50...Ch. 28 - An industrial electric motor runs at 208 V rms and...Ch. 28 - An AC current is given by I = 495 sin(9.43t), with...Ch. 28 - Prob. 17ECh. 28 - Find the rms current in a 1.0-F capacitor...Ch. 28 - A 470- resistor, 10-F capacitor, and 750-mH...Ch. 28 - Find the reactance of a 3.3-F capacitor at (a) 60...Ch. 28 - A 15-F capacitor carries 1.4 A rms. Whats its...Ch. 28 - A capacitor and a 1.8-k resistor pass the same...Ch. 28 - A 50-mH inductor is connected across a 10-V rms AC...Ch. 28 - Find the resonant frequency of an LC circuit...Ch. 28 - An LC circuit with C = 18 mF undergoes...Ch. 28 - Your sister whos building the radio (Chapter 27...Ch. 28 - An LC circuit with a 20-F capacitor oscillates...Ch. 28 - A series RLC circuit has R = 75 k, L = 20 mH, and...Ch. 28 - Find the impedance at 10 kHz of a circuit...Ch. 28 - A series RLC circuit has R = 18 k, C = 14 F, and L...Ch. 28 - If the peak voltage applied to produce the curves...Ch. 28 - An electric drill draws 4.6 A rms at 120 V rms. If...Ch. 28 - A 40-W fluorescent lamp has power factor 0.85 and...Ch. 28 - An electric water heater draws 20 A rms at 240 V...Ch. 28 - For safety, medical equipment connected to...Ch. 28 - Youre planning a semester in China, so you want to...Ch. 28 - (a) A 2.2-H inductor is connected across 120-V...Ch. 28 - A 2.0-F capacitor has 1.0-k reactance. (a) Whats...Ch. 28 - Show that the unit of both capacitive and...Ch. 28 - Electroencephalography (EEG) elucidates brain...Ch. 28 - At 15 kHz an inductor has 12 times the reactance...Ch. 28 - A 0.75-H inductor is in series with a fluorescent...Ch. 28 - A 2.2-nF capacitor and one of unknown capacitance...Ch. 28 - Connections to the body for electrocardiography...Ch. 28 - The FM radio band covers the frequency range 88108...Ch. 28 - An LC circuit includes a 0.025-F capacitor and a...Ch. 28 - One-eighth of a cycle after the capacitor in an LC...Ch. 28 - The 2420-F capacitor in Fig. 28.25 is initially...Ch. 28 - A damped LC circuit consists of a 0.15-F capacitor...Ch. 28 - A damped RLC circuit includes a 5.0- resistor and...Ch. 28 - An RLC circuit includes a 1.5-H inductor and a...Ch. 28 - The table below shows the ratio of peak voltage to...Ch. 28 - Figure 28.26 shows the phasor diagram for an RLC...Ch. 28 - An AC voltage of fixed amplitude is applied across...Ch. 28 - A series RLC circuit has resistance 127 and...Ch. 28 - A series RLC circuit has power factor 0.764 and...Ch. 28 - Youre Chief Financial Officer for a power company,...Ch. 28 - A car-battery charger runs off the 120-V rms AC...Ch. 28 - A power supply like that of Fig. 28.23 is supposed...Ch. 28 - An RLC circuit includes a 3.3-F capacitor and a...Ch. 28 - A series RLC circuit with R = 1.3 , L = 27 mH, and...Ch. 28 - Differentiate Equation 28.9 to find the current in...Ch. 28 - Find a second frequency where the current in the...Ch. 28 - Two capacitors are connected in parallel across a...Ch. 28 - A black box has two input connections and two...Ch. 28 - A series RLC circuit with R = 47 , L = 250 mH, and...Ch. 28 - A sine-wave generator with 20-V peak output is...Ch. 28 - For RLC circuits in which the resistance isnt too...Ch. 28 - A triangle wave swings linearly between voltages...Ch. 28 - Substitute the expression for q(t) in Equation...Ch. 28 - Although the maximum current flows in the speaker...Ch. 28 - Your professor tells you about the days before...Ch. 28 - A filter is a circuit designed to pass AC signals...Ch. 28 - A filter is a circuit designed to pass AC signals...Ch. 28 - A filter is a circuit designed to pass AC signals...Ch. 28 - A filter is a circuit designed to pass AC signals...
Additional Science Textbook Solutions
Find more solutions based on key concepts
The pV-diagram of the Carnot cycle.
Sears And Zemansky's University Physics With Modern Physics
A solid cylindrical wheel of mass M and radius R is pulled by a force applied to the center of the wheel at 37 ...
University Physics Volume 1
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective (8th Edition)
14. FIGURE Q4.14 shows four rotating wheels. For each, determine the signs (+ or -) of w and a.
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
(a) Show that .
[Hint: Use integration by parts.]
(b) Let be the step function: . (1.95)
Show that .
Introduction to Electrodynamics
Whether the number of turns on the secondary coil be greater than or less than 125 .
Physics (5th Edition)
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 deflection bridge shown in figure below is used to measure an unknown capacitance,Cu. The components in the bridge have the following values:Vs=20 Vrms, C1= 10 µF, R2= 60 2, R3= 40 nlf Cu= 100 µF, the output voltage, Vo=2 V rms. D L True N False Vo b Varrow_forwardA resistor dissipates 2.00 W when the rms voltage of the emf is 10.0 V. At what rms voltage will the resistor dissipate 10.0 W?arrow_forwardA (2.884x10^1)-µF capacitor is connected to an AC source of EMF with a frequency of (3.2050x10^2) Hz and a maximum EMF of (3.00x10^1) V. What is the maximum current expressed in A and with three significant figures.arrow_forward
- A (4.41x10^1)-F capacitor is connected to an AC source of EMF with a frequency of (4.1x10^2) Hz and a maximum EMF of (2.450x10^1) V. What is the maximum current expressed in A and with two significant figures.arrow_forwardA 10-µF capacitor is plugged into a 110 V-rms 60-Hz voltage source, with an ammeter in series. Find the rms value of the current through the capacitor?arrow_forwardIn many European homes the rms voltageavailable from a wall socket is 240 V. What is the maximum voltage in this case?arrow_forward
- A 25-W lightbulb is used in an American desk lamp. (In the United States, standard rms voltage is 120 V.) (a) What is the average power dissipated by the filament? W(b) What is the rms current in the filament? A(c) What is the maximum current in the filament? A(d) What is the maximum power dissipated by the filament? Warrow_forwardThe rms current in a 25.0-0 resistor connected to an AC source is 2.00 A. (a) What is the rms voltage across this resistor? V (b) What is the peak voltage of the AC source? V (c) What is the average power dissipated by the resistor? W (d) What is the maximum current across this resistor? Aarrow_forwardAn AC voltage source is connected to a resistor R 1.15 x 102 Ω. The output from an AC voltage source is given by the expression V = (1.80 x 102 v) sin 2rft. (a) What is the rms voltage across the resistor? V (b) What is the rms current flowing through the resistor? Aarrow_forward
- A (2.9130x10^1)-μF capacitor is connected to an AC source of EMF with a frequency of (3.818x10^2) Hz and a maximum EMF of (3.99x10^1) V. What is the maximum current expressed in A and with three significant figures. Note: Your answer is assumed to be reduced to the highest power possible.arrow_forwardAn AC voltage source is connected to a resistor R = 1.25 x 102 2. The output from an AC voltage source is given by the expression V = (2.20 x 102 v) sin 2aft. (a) What is the rms voltage across the resistor? V (b) What is the rms current flowing through the resistor? A.arrow_forwardSinusoidal (ac) voltage and current are measured in a resistive circuit. The peak voltage, Vė, is measured to be 110 V. The peak current, lō, is measured to be 7.0 A. What is the rms voltage? Vrms volts (rms) What is the rms current? Irms amperes (rms) What is the average power consumption rate in this circuit? Pave Warrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-HillPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Introduction To Alternating Current; Author: Tutorials Point (India) Ltd;https://www.youtube.com/watch?v=0m142qAZZpE;License: Standard YouTube License, CC-BY