University Physics with Modern Physics (14th Edition)
14th Edition
ISBN: 9780321973610
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 26, Problem 26.8E
Three resistors having resistances of 1.60 Ω, 2.40 Ω, and 4.80 Ω are connected in parallel to a 28.0-V battery that has negligible internal resistance. Find (a) the equivalent resistance of the combination; (b) the current in each resistor; (c) the total current through the battery; (d) the voltage across each resistor; (e) the power dissipated in each resistor.
(f) Which resistor dissipates the most power: the one with the greatest resistance or the least resistance? Explain why this should be.
Expert Solution & Answer
Learn your wayIncludes step-by-step video
schedule05:31
Students have asked these similar questions
Rank the following circuits in order from highest to lowest values of the net power output of the battery. (i) A 1.4 Ω resistor connected to a 1.5 V battery that has an internal resistance of 0.10 Ω; (ii) a 1.8 Ω resistor connected to a 4.0 V battery that has a terminal voltage of 3.6 V but an unknown internal resistance; (iii) an unknown resistor connected to a 12.0 V battery that has an internal resistance of 0.20 Ω and a terminal voltage of 11.0 V.
Three resistors with values of 60.0 Ω, 30.0 Ω, and 20.0 Ω, respectively, are connected in parallel to a 110.0 V battery of negligible internal resistance. Find (a) the equivalent resistance of the combined resistors, (b) current flowing through each resistor, (c) voltage drop across each resistor, and (d) power dissipated by each resistor.
Three 9.0- Ω resistors are connected in series with a 12 - V battery.Find (a) the equivalent resistance of the circuit and (b) thecurrent in each resistor. (c) Repeat for the case in which allthree resistors are connected in parallel across the battery.
Chapter 26 Solutions
University Physics with Modern Physics (14th Edition)
Ch. 26.1 - Suppose all three of the resistors shown in Fig....Ch. 26.2 - Subtract Eq. (1) from Eq. (2) in Example 26.6. To...Ch. 26.3 - You want to measure the current through and the...Ch. 26.4 - The energy stored in a capacitor is equal to...Ch. 26.5 - To prevent the circuit breaker in Example 26.14...Ch. 26 - In which 120-V light bulb does the filament have...Ch. 26 - Two 120-V light bulbs, one 25-W and one 200-W,...Ch. 26 - You connect a number of identical light bulbs to a...Ch. 26 - In the circuit shown in Fig. Q26.4, three...Ch. 26 - If two resistors R1 and R2 (R2 R1) are connected...
Ch. 26 - If two resistors R1 and R2 (R2 R1) are connected...Ch. 26 - A battery with no internal resistance is connected...Ch. 26 - A resistor consists of three identical metal...Ch. 26 - A light bulb is connected in the circuit shown in...Ch. 26 - A real battery, having nonnegligible internal...Ch. 26 - If the battery in Discussion Question Q26.10 is...Ch. 26 - Consider the circuit shown in Fig. Q26.12. What...Ch. 26 - Is it possible to connect resistors together in a...Ch. 26 - The battery in the circuit shown in Fig. Q26.14...Ch. 26 - In a two-cell flashlight, the batteries are...Ch. 26 - Identical light bulbs A, B, and C are connected as...Ch. 26 - The emf of a flashlight battery is roughly...Ch. 26 - Will the capacitors in the circuits shown in Fig....Ch. 26 - Verify that the time constant RC has units of...Ch. 26 - For very large resistances it is easy to construct...Ch. 26 - When a capacitor, battery, and resistor are...Ch. 26 - A uniform wire of resistance R is cut into three...Ch. 26 - A machine part has a resistor X protruding from an...Ch. 26 - A resistor with R1 = 25.0 is connected to a...Ch. 26 - A 42- resistor and a 20- resistor are connected in...Ch. 26 - A triangular array of resistors is shown in Fig....Ch. 26 - For the circuit shown in Fig. E26.6 both meters...Ch. 26 - For the circuit shown in Fig. E26.7 find the...Ch. 26 - Three resistors having resistances of 1.60 , 2.40...Ch. 26 - Now the three resistors of Exercise 26.8 are...Ch. 26 - Power Rating of a Resistor. The power rating of a...Ch. 26 - In Fig. E26.11, R1, = 3.00 , R2 = 6.00 , and R3=...Ch. 26 - In Fig. E26.11 the battery has emf 35.0 V and...Ch. 26 - Compute the equivalent resistance of the network...Ch. 26 - Compute the equivalent resistance of the network...Ch. 26 - In the circuit of Fig. E26.15, each resistor...Ch. 26 - Consider the circuit shown in Fig. E26.16. The...Ch. 26 - In the circuit shown in Fig. E26.17, the voltage...Ch. 26 - In the circuit shown in Fig. E26.18, = 36.0 V,...Ch. 26 - CP In the circuit in Fig. E26.19, a 20.0- resistor...Ch. 26 - In the circuit shown in Fig. E26.20, the rate at...Ch. 26 - Light Bulbs in Series and in Parallel. Two light...Ch. 26 - Light Bulbs in Series. A 60-W, 120-V light bulb...Ch. 26 - In the circuit shown in Fig. E26.23, ammeter A1...Ch. 26 - The batteries shown in the circuit in Fig. E26.24...Ch. 26 - In the circuit shown in Fig. E26.25 find (a) the...Ch. 26 - Find the emfs 1 and 2 in the circuit of Fig....Ch. 26 - In the circuit shown in Fig. E26.27, find (a) the...Ch. 26 - In the circuit shown in Fig. E26.28, find (a) the...Ch. 26 - The 10.00-V battery in Fig. E26.28 is removed from...Ch. 26 - The 5.00-V battery in Fig. E26.28 is removed from...Ch. 26 - In the circuit shown in Fig. E26.31 the batteries...Ch. 26 - In the circuit shown in Fig. E26.32 both batteries...Ch. 26 - In the circuit shown in Fig. E26.33 all meters are...Ch. 26 - In the circuit shown in Fig. E26.34, the 6.0-...Ch. 26 - The resistance of a galvanometer coil is 25.0 ,...Ch. 26 - The resistance of the coil of a pivoted coil...Ch. 26 - A circuit consists of a series combination of...Ch. 26 - A galvanometer having a resistance of 25.0 has a...Ch. 26 - A capacitor is charged to a potential of 12.0 V...Ch. 26 - You connect a battery, resistor, and capacitor as...Ch. 26 - A 4.60-F capacitor that is initially uncharged is...Ch. 26 - You connect a battery, resistor, and capacitor as...Ch. 26 - CP In the circuit shown in Fig. E26.43 both...Ch. 26 - A 12.4-F capacitor is connected through a 0.895-M...Ch. 26 - An emf source with = 120 V, a resistor with R =...Ch. 26 - A resistor and a capacitor are connected in series...Ch. 26 - CP In the circuit shown in Fig. E26.47 each...Ch. 26 - A 1.50-F capacitor is charging through a 12.0-...Ch. 26 - In the circuit in Fig. E26.49 the capacitors are...Ch. 26 - A 12.0-F capacitor is charged to a potential of...Ch. 26 - In the circuit shown in Fig. E26.51, C = 5.90 F, ...Ch. 26 - Prob. 26.52ECh. 26 - A 1500-W electric beater is plugged into the...Ch. 26 - In Fig. P26.54, the battery has negligible...Ch. 26 - The two identical light bulbs in Example 26.2...Ch. 26 - Each of the three resistors in Fig. P26.56 has a...Ch. 26 - (a) Find the potential of point a with respect to...Ch. 26 - CP For the circuit shown in Fig. P26.58 a 20.0-...Ch. 26 - Calculate the three currents I1, I2, and I3...Ch. 26 - What must the emf in Fig. P26.60 be in order for...Ch. 26 - Find the current through each of the three...Ch. 26 - (a) Find the current through the battery and each...Ch. 26 - Consider the circuit shown in Fig. P26.63. (a)...Ch. 26 - In the circuit shown in Fig. P26.64, = 24.0 V,...Ch. 26 - In the circuit shown in Fig. P26.65, the current...Ch. 26 - In the circuit shown in Fig. P26.66 all the...Ch. 26 - Figure P26.67 employs a convention often used in...Ch. 26 - Three identical resistors are connected in series....Ch. 26 - A resistor R1 consumes electrical power P1 when...Ch. 26 - The capacitor in Fig. F26.70 is initially...Ch. 26 - A 2.00-F capacitor that is initially uncharged is...Ch. 26 - A 6.00-F capacitor that is initially uncharged is...Ch. 26 - Point a in Fig. P26.73 is maintained at a constant...Ch. 26 - The Wheatstone Bridge. The circuit shown in Fig....Ch. 26 - (See Problem 26.67.) (a) What is the potential of...Ch. 26 - A 2.36-F capacitor that is initially uncharged is...Ch. 26 - A 224- resistor and a 589- resistor are connected...Ch. 26 - A resistor with R = 850 is connected to the...Ch. 26 - A capacitor that is initially uncharged is...Ch. 26 - DATA You set up the circuit shown in Fig. 26.22a,...Ch. 26 - DATA You set up the circuit shown in Fig. 26.20....Ch. 26 - DATA The electronics supply company where you work...Ch. 26 - An Infinite Network. As shown in Fig. P26.83, a...Ch. 26 - Suppose a resistor R lies along each edge of a...Ch. 26 - BIO Attenuator Chains and Axons. The infinite...Ch. 26 - Assume that a typical open ion channel spanning an...Ch. 26 - In a simple model of an axon conducting a nerve...Ch. 26 - Cell membranes across a wide variety of organisms...
Additional Science Textbook Solutions
Find more solutions based on key concepts
What percentage of Earths land surface do glaciers presently cover? ____________
Applications and Investigations in Earth Science (9th Edition)
Choose the best answer to each of the following. Explain your reasoning. When it summer in Australia, it is (a)...
Cosmic Perspective Fundamentals
1.1 Write a one-sentence definition for each of the following:
a. chemistry
b. chemical
Chemistry: An Introduction to General, Organic, and Biological Chemistry (13th Edition)
47. Balance each chemical equation.
a.
b.
c.
d.
Introductory Chemistry (6th Edition)
Modified True/False 6. __________ Halophiles inhabit extremely saline habitats, such as the Great Salt Lake.
Microbiology with Diseases by Body System (5th Edition)
All of the following terms can appropriately describe humans except: a. primary consumer b. autotroph c. hetero...
Human Biology: Concepts and Current Issues (8th 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
- When resistors with different resistances are connected in series, which of the following must be the same for each resistor? Choose all correct answers. (a) potential difference (b) current (c) power delivered (d) charge entering each resistor in a given time interval (e) none of those answersarrow_forwardIf the terminals of a battery with zero internal resistance are connected across two identical resistors in series, the total power delivered by the battery is 8.00 W. If the same battery is connected across the same resistors in parallel, what is the total power delivered by the battery? (a) 16.0 W (b) 32.0 W (c) 2.00 W (d) 4.00 W (e) none of those answersarrow_forwardPower P0 = I0 V0 is delivered to a resistor of resistance R0. If the resistance is doubled (Rnew = 2R0) while the voltage is adjusted such that the current is constant, what are the ratios (a) Pnew/P0 and (b) Vnew/V0? If, instead, the resistance is held constant while Pnew = 2P0, what are the ratios (c) Vnew/V0, and (d) Inew/I0?arrow_forward
- The terminals of a battery are connected across two resistors in parallel. The resistances of the resistors are not the same. Which of the following statements is correct? Choose all that are correct. (a) The resistor with the larger resistance carries more current than the other resistor. (b) The resistor with the larger resistance carries less current than the other resistor. (c) The potential difference across each resistor is the same. (d) The potential difference across the larger resistor is greater than the potential difference across the smaller resistor. (e) The potential difference is greater across the resistor closer to the battery.arrow_forwardWhen operating on a 120-V circuit, an electric heater receives 1.30 103 W of power, a toaster receives 1.00 103 W, and an electric oven receives 1.54 103 W. If all three appliances are connected in parallel on a 120-V circuit and turned on, what is the total current drawn from an external source? (a) 24.0 A (b) 32.0 A (c) 40.0 A (d) 48.0 A (e) none of those answersarrow_forwardThree resistors having resistances of 750 Ω, 200 Ω, and 110 Ω are connected in parallel. If the combination is connected in series with an ideal 12-V battery and a 50-Ω resistor, what is the current through the 110 Ω resistor?arrow_forward
- A battery with a terminal voltage of 9 V is connected to a circuit consisting of four 20Ω and one 10Ω resistors all in series. Assume the battery has negligible internal resistance. (a) Calculate the equivalent resistance of the circuit. (b) Calculate the current through each resistor. (c) Calculate the potential drop across each resistor. (d) Determine the total power dissipated by the resistors and the power supplied by the battery.arrow_forwardTwo 100 Ω resistors are connected (a) in parallel, and (b) in series, to a 24.0-V battery. (a) Draw the circuit. (b)What is the current through each resistor and (c) what is the equivalent resistance of each circuit?arrow_forwardou bought a 28.0 V battery, 20.0 Ω, 64.0 Ω, and 103.0 Ω resistors. You decide to connect them in parallel and wish to calculate the current (in A) through each resistor and power(in W) dissipated by each resistor. (a) Calculate the equivalent resistance in the parallel circuit. Reqv = Ω (b) Calculate the currents (in A) and the power (in W)for each resistor. I20.0 Ω = A P20.0 Ω = W I64.0 Ω = A P64.0 Ω = W I103.0 Ω = A P103.0 Ω = Warrow_forward
- A simple circuit is constructed so that a 12.0-V source supplies current to a 1.00 × 103 Ω resistor. (a) Find the current in the resistor. (b) Calculate the power delivered to the resistor. (c) Determine the energy delivered to the resistor in 1.00 h.arrow_forwardThree resistors R1 = 1.00 Ω, R2 = 2.00 Ω, and R3 = 2.00 Ω, are connected in parallel. The parallel connection is attached to a V = 3.00 V voltage source. (a) What is the equivalent resistance? (b) Find the current supplied by the source to the parallel circuit. (c) Calculate the currents in each resistor and show that these add together to equal the current output of the source. (d) Calculate the power dissipated by each resistor. (e) Find the power output of the source and show that it equals the total power dissipated by the resistors.arrow_forwardResistances of 2.0 Ω, 4.0 Ω, and 6.0 Ω and a 24-V emf device are all in parallel. The current in the 2.0-Ω resistor is:arrow_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 Learning
Physics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher: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
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Ohm's law Explained; Author: ALL ABOUT ELECTRONICS;https://www.youtube.com/watch?v=PV8CMZZKrB4;License: Standard YouTube License, CC-BY