College Physics: A Strategic Approach (3rd Edition)
3rd Edition
ISBN: 9780321879721
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 22, Problem 16P
An individual hydrogen-oxygen fuel cell has an output of 0.75 V. How many cells must be connected in series to drive a 24.0 V motor?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A 43 Ω component is connected to a 12 V battery. How much energy is expended per second?
A 2.0 kW heater element from a dryer has a length of 80 cm. If a 10 cm section is removed, what power is used by the now shortened element at 120 V?
A 10 N component is connected to a 12 V battery. How much energy is expended per second?
Chapter 22 Solutions
College Physics: A Strategic Approach (3rd Edition)
Ch. 22 - What causes electrons to move through a wire as a...Ch. 22 - All wires in Figure Q22.519 are made of the same...Ch. 22 - A wire carries a 4 A current. What is the current...Ch. 22 - Prob. 7CQCh. 22 - Cells in the nervous system have a potential...Ch. 22 - a. Which directionclockwise or...Ch. 22 - Prob. 10CQCh. 22 - The wires in Figure Q22.11 are all made of the...Ch. 22 - The two circuits in Figure Q22.12 use identical...Ch. 22 - The two circuits in Figure Q22.13 use identical...
Ch. 22 - Rank in order, from largest to smallest, the...Ch. 22 - The circuit in Figure Q22.16 has three batteries...Ch. 22 - When lightning strikes the ground, it generates a...Ch. 22 - One way to find out if a wire has corroded is to...Ch. 22 - Over time, atoms boil off the hot filament in an...Ch. 22 - Rank in order, from largest to smallest, the...Ch. 22 - A 100 W lightbulb is brighter than a 60 W...Ch. 22 - Lightbulbs are typically rated by their power...Ch. 22 - Lightbulbs are typically rated by their power...Ch. 22 - A copper wire is stretched so that its length...Ch. 22 - The potential difference across a length of wire...Ch. 22 - A stereo amplifier creates a 5.0 V potential...Ch. 22 - A resistor connected to a 3.0 V battery dissipates...Ch. 22 - If a 1.5 V battery stores 5.0 kJ of energy (a...Ch. 22 - Figure Q22.29 shows a side view of a wire of...Ch. 22 - A person gains weight by adding fatand therefore...Ch. 22 - The current in an electric hair dryer is 10 A. How...Ch. 22 - 2.0 1013 electrons flow through a transistor in...Ch. 22 - Three wires meet at a junction. Wire 1 has a...Ch. 22 - When a nerve cell depolarizes, charge is...Ch. 22 - A wire carries a 15 A current. How many electrons...Ch. 22 - In a typical lightning strike, 2.5 C flows from...Ch. 22 - A capacitor is charged to 6.0 104 C, then...Ch. 22 - In an ionic solution, 5.0 1015 positive ions with...Ch. 22 - The starter motor of a car engine draws a current...Ch. 22 - A car battery is rated at 90 A h, meaning that it...Ch. 22 - What are the values of currents IB and IC in...Ch. 22 - The currents through several segments of a wire...Ch. 22 - How much electric potential energy does 1.0 C of...Ch. 22 - What is the emf of a battery that increases the...Ch. 22 - A 9.0 V battery supplies a 2.5 mA current to a...Ch. 22 - An individual hydrogen-oxygen fuel cell has an...Ch. 22 - An electric catfish can generate a significant...Ch. 22 - A Wire with resistance R is connected to the...Ch. 22 - Wires 1 and 2 are made of the same metal. Wire 2...Ch. 22 - Prob. 20PCh. 22 - Resistivity measurements on the leaves of corn...Ch. 22 - What is the resistance of a. A 1.0-m-long copper...Ch. 22 - A motorcyclist is making an electric vest that,...Ch. 22 - Prob. 24PCh. 22 - A 3.0 V potential difference is applied between...Ch. 22 - Prob. 26PCh. 22 - Prob. 27PCh. 22 - The aluminum wire in a high-voltage transmission...Ch. 22 - Figure P22.29 shows the...Ch. 22 - Figure P22.30 is a...Ch. 22 - In Example 22.6 the length of a 60 W, 240 ...Ch. 22 - The electric field inside a 30-cm-long copper wire...Ch. 22 - A copper wire is 1.0 mm in diameter and carries a...Ch. 22 - Two identical lightbulbs are connected in series...Ch. 22 - A 1.5 V battery moves 2000 C of charge around a...Ch. 22 - a. What is the resistance of a 1500 W (120 V) hair...Ch. 22 - Every second, a battery increases the electric...Ch. 22 - A 70 W electric blanket runs at 18 V. a. What is...Ch. 22 - A 60-cm-long heating wire is connected to a 120 V...Ch. 22 - An electric eel develops a potential difference of...Ch. 22 - The total charge a household battery can supply is...Ch. 22 - A 3.0 V battery powers a flashlight bulb that has...Ch. 22 - A heating element in a toaster dissipates 900 W...Ch. 22 - Older freezers developed a coating of ice inside...Ch. 22 - The hot dog cooker described in the chapter heats...Ch. 22 - Air isnt a perfect electric insulator, but it has...Ch. 22 - The biochemistry that takes place inside cells...Ch. 22 - High-resolution measurements have shown that an...Ch. 22 - When an ion channel opens in a cell wall (see...Ch. 22 - The total charge a battery can supply is rated in...Ch. 22 - A 1.5 V D-cell battery is rated at 15,000 mA h...Ch. 22 - The heating element of a simple heater consists of...Ch. 22 - Variations in the resistivity of blood can give...Ch. 22 - A 40 W (120 V) lightbulb has a tungsten filament...Ch. 22 - Wires arent really ideal. The voltage drop across...Ch. 22 - When the starter motor on a car is engaged, there...Ch. 22 - The electron beam inside a television picture tube...Ch. 22 - The two segments of the wire in Figure P22.59 have...Ch. 22 - A long wire used as a heating element carries a...Ch. 22 - Prob. 61GPCh. 22 - Prob. 62GPCh. 22 - Prob. 63GPCh. 22 - If resistors 1 and 2 are connected to identical...Ch. 22 - An immersion heater used to boil water for a...Ch. 22 - The graph in Figure P22.66 shows the current...Ch. 22 - Its possible to estimate the percentage of fat in...Ch. 22 - If you touch the two terminals of a power supply...Ch. 22 - The average resistivity of the human body (apart...Ch. 22 - MCAT-Style Passage Problems Lightbulb Failure...Ch. 22 - MCAT-Style Passage Problems Lightbulb Failure...Ch. 22 - MCAT-Style Passage Problems Lightbulb Failure...Ch. 22 - MCAT-Style Passage Problems Lightbulb Failure...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Why didn’t Copernicus’s model gain immediate acceptance? Why did some scientists favor it, despite this drawbac...
Life in the Universe (4th Edition)
The given sentence.
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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)
How does getting rid of cellular wastes require the inte- gratedefforts of multiple body systems?
Conceptual Integrated Science
12.57 A 0.180-kg cube of ice (frozen water) is floating in glycerine. The gylcerine is in a tall cylinder that ...
University Physics with Modern Physics (14th Edition)
11. A ball thrown horizontally at 25 m/s travels a horizontal distance of 50 m before hitting the ground. From...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th 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 student keeps his 9.0 V, 8.3 W radio turned on at full volume from 5:00p.m. until 3:00 a.m. How much charge went through it? Number MI Unitsarrow_forward18. A lµF capacitor is charged using a constant current of 10 uA for 20 s. What is the energy finally stored by the capacitor? A 2x 10 J B 2 x 102 J C 4 x 102 J D 4 x 102 Jarrow_forwardR₁ Rs R₁₂ In the figure ε₁ = 3.74 V, 2 = 0.900 V, R₁ = 6.13 2, R2 = 2.35 2, R3 = 4.80 02, and both batteries are ideal. What is the rate at which energy is dissipated in (a) R₁, (b) R2, and (c) R3? What is the power of (d) battery 1 and (e) battery 2? (a) Number Mi Units (b) Number i Units (c) Number i Units (d) Number i Units (e) Number i Unitsarrow_forward
- Answer both questions. the voltage of the battery is 12 V and R=200ohm. What is the current in Rc? The switch is opened and resistor Rb is removed and replaced by a capacitor of capacitance 2e-6F. The switch is closed again. What is the charge on the capacitor when the currents reach their steady-state values?arrow_forwardOne heater uses 310 W of power when connected by itself to a battery. Another heater uses 210 W of power when connected by itself to the same battery. How much total power do the heaters use when they are both connected in series across the battery?arrow_forwardA light bulb has a resistance of 95 Ω when operating at 120 V. How much energy is given off by the light bulb after 1 day? 1.48 x 10^7 J 4.64 x 10^7 J 8.90 x 10^7 J 1.31 x 10^7 J 9.19 x 10^7 Jarrow_forward
- One heater uses 310 W of power when connected by itself to a battery. Another heater uses 200 W of power when connected by itself to the same battery. How much total power do the heaters use when they are both connected in series across the battery? P₁ P2 First heater F V Second heater V Both heaters + F Varrow_forwardA 19 Ω resistor is connected to a battery. The figure below shows the increase of thermal energy Eth,s = 2.5 mJ with ts=4.0 s. What is the electric potential (V) across the battery? Hint: Calculate power using the graph and then use P=V2/R. Note the units in the graph.arrow_forwardAn electric catfish can generate a significant potential difference using stacks of special cells called electrocytes. Each electrocyte develops a potential difference of 110 mV. How many cells must be connected in series to give the 350 V a large catfish can produce?arrow_forward
- In the figure 1 = 4.38 V, 2 = 1.17 V, R₁ = 3.972, R₂ = 1.90 S2, R3 = 4.782, and both batteries are ideal. What is the rate at which energy is dissipated in (a) R₁, (b) R2, and (c) R3? What is the power of (d) battery 1 and (e) battery 2? ww R₁ www R₂ - 18₁ R$ Ef (a) Number i ! Units (b) Number Units (c) Number i Units (d) Number i ! Units (e) Number i ! Units ! [|]]] W W W W Warrow_forwardIn the figure £₁ = 4.03 V, 2 = 0.838 V, R₁ = 5.400, R₂ = 1.660, R3 = 5.39 Q, and both batteries are ideal. What is the rate at which energy is dissipated in (a) R₁. (b) R2, and (c) R3? What is the power of (d) battery 1 and (e) battery 2? www R₁ R₂ -18₁ R₂ E (a) Number i Units (b) Number i Units (c) Number Units (d) Number i Units (e) Number Units >arrow_forwardIn the figure ₁ = 4.03 V, 2 = 0.838 V, R₁ = 5.400, R₂ = 1.660, R3 = 5.39 Q, and both batteries are ideal. What is the rate at which energy is dissipated in (a) R₁, (b) R₂, and (c) R3? What is the power of (d) battery 1 and (e) battery 2? www R₁ R₂ - 18₁ Rs Ef (a) Number i 1.35 Units W (b) Number 0.121 Units W (c) Number i 0.310 (d) Number i (e) Number i Units W Units W Units Warrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
DC Series circuits explained - The basics working principle; Author: The Engineering Mindset;https://www.youtube.com/watch?v=VV6tZ3Aqfuc;License: Standard YouTube License, CC-BY