
Physics
7th Edition
ISBN: 9780321625915
Author: Douglas C. Giancoli
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Question
Chapter 18, Problem 44P
To determine
The amount of power saved by changing the voltage from 12000 V to 50000 V, to deliver 750 kW to a factory from power station
Expert Solution & Answer

Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
The triangular coil of wire in the drawing is free to rotate about an axis that is attached along
side AC. The current in the loop is 4.64 A, and the magnetic field (parallel to the plane of the
loop and side AB) is B = 2.1 T. (a) What is the magnetic moment of the loop, and (b) what is the
magnitude of the net torque exerted on the loop by the magnetic field?
55.0°
109
B
B
2.00 m.
The triangular coil of wire in the drawing is free to rotate about an axis that is attached along
side AC. The current in the loop is 4.64 A, and the magnetic field (parallel to the plane of the
loop and side AB) is B = 2.1 T. (a) What is the magnetic moment of the loop, and (b) what is the
magnitude of the net torque exerted on the loop by the magnetic field?
12 volt battery in your car supplies 1700 Joules of energy to run the headlights during a particular nighttime drive. How much charge must have flowed through the battery to provide this much energy? Give your answer as the number of Coulombs.
Chapter 18 Solutions
Physics
Ch. 18 - Prob. 1OQCh. 18 - When an electric cell is connected to a circuit,...Ch. 18 - When a flashlight is operated, what is being used...Ch. 18 - Prob. 3QCh. 18 - Prob. 4QCh. 18 - Prob. 5QCh. 18 - Prob. 6QCh. 18 - What happens when aIightbulb burns out?Ch. 18 - Prob. 8QCh. 18 - Prob. 9Q
Ch. 18 - Prob. 10QCh. 18 - Prob. 11QCh. 18 - Prob. 12QCh. 18 - Prob. 13QCh. 18 - When electric lights are operated on low-frequency...Ch. 18 - Prob. 15QCh. 18 - Prob. 16QCh. 18 - Prob. 17QCh. 18 - Prob. 18QCh. 18 - Prob. 19QCh. 18 - Prob. 20QCh. 18 - Prob. 1MCQCh. 18 - Prob. 2MCQCh. 18 - Prob. 3MCQCh. 18 - Prob. 4MCQCh. 18 - Prob. 5MCQCh. 18 - Prob. 6MCQCh. 18 - Prob. 7MCQCh. 18 - Prob. 8MCQCh. 18 - Prob. 9MCQCh. 18 - Prob. 10MCQCh. 18 - Prob. 11MCQCh. 18 - A current of 1.60 A flows in a wire. How many...Ch. 18 - A service station charges a battery using a...Ch. 18 - Prob. 3PCh. 18 - What is the resistance of a toaster if 120 V...Ch. 18 - Prob. 5PCh. 18 - Prob. 6PCh. 18 - (a) What is the current in the element of an...Ch. 18 - Prob. 8PCh. 18 - Prob. 9PCh. 18 - A 4.5-V battery is connected to a bulb whose...Ch. 18 - Prob. 11PCh. 18 - What is the diameter of a 1.00-m length of...Ch. 18 - What is the resistance of a 5.4-m length of copper...Ch. 18 - Prob. 14PCh. 18 - Prob. 15PCh. 18 - A certain copper wire has a resistance of 15.0 ....Ch. 18 - Compute the voltage drop along a 21-m length of...Ch. 18 - Two aluminum wires have the same resistance. If...Ch. 18 - Prob. 19PCh. 18 - Prob. 20PCh. 18 - Prob. 21PCh. 18 - Prob. 22PCh. 18 - Prob. 23PCh. 18 - Prob. 24PCh. 18 - Prob. 25PCh. 18 - A 10.0-m length of wire consists of 5.0 m of...Ch. 18 - What is the maximum power consumption of a 3.0-V...Ch. 18 - The heating element of an electric oven is...Ch. 18 - What is the maximum voltage that can be applied...Ch. 18 - Prob. 30PCh. 18 - Prob. 31PCh. 18 - Prob. 32PCh. 18 - A 120-V hair dryer has two settings: 950 W and...Ch. 18 - Prob. 34PCh. 18 - Prob. 35PCh. 18 - Prob. 36PCh. 18 - Prob. 37PCh. 18 - Prob. 38PCh. 18 - Prob. 39PCh. 18 - Prob. 40PCh. 18 - Prob. 41PCh. 18 - Prob. 42PCh. 18 - Prob. 43PCh. 18 - Prob. 44PCh. 18 - Prob. 45PCh. 18 - The current in an electromagnet connected to a...Ch. 18 - Prob. 47PCh. 18 - Prob. 48PCh. 18 - Prob. 49PCh. 18 - Prob. 50PCh. 18 - Prob. 51PCh. 18 - Prob. 52PCh. 18 - Determine (a) the maximum instantaneous power...Ch. 18 - Prob. 54PCh. 18 - Prob. 55PCh. 18 - A 4.80-m length of 2.0-mm-diameter wire carries a...Ch. 18 - Prob. 57PCh. 18 - Prob. 58PCh. 18 - Prob. 59PCh. 18 - Prob. 60PCh. 18 - Prob. 61GPCh. 18 - Prob. 62GPCh. 18 - Prob. 63GPCh. 18 - Prob. 64GPCh. 18 - Prob. 65GPCh. 18 - Prob. 66GPCh. 18 - A small city requires about 15 MW of power Suppose...Ch. 18 - Prob. 68GPCh. 18 - Prob. 69GPCh. 18 - Prob. 70GPCh. 18 - Prob. 71GPCh. 18 - Prob. 72GPCh. 18 - Prob. 73GPCh. 18 - V is applied to two different conductors made of...Ch. 18 - Prob. 75GPCh. 18 - Prob. 76GPCh. 18 - Prob. 77GPCh. 18 - A 15 2-?resistor is made from a coil of copper...Ch. 18 - Prob. 79GPCh. 18 - Prob. 80GPCh. 18 - Prob. 81GPCh. 18 - Prob. 82GPCh. 18 - Prob. 83GPCh. 18 - Prob. 84GPCh. 18 - Prob. 85GPCh. 18 - If a wire of resistance R is stretched uniformly...Ch. 18 - Prob. 87GPCh. 18 - Prob. 88GPCh. 18 - Prob. 89GPCh. 18 - Prob. 90GPCh. 18 - Prob. 91GP
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
- An x-y coordinate system is on the floor with a charge of +3.6 Coulombs at a location with coordinates x = -4.2 meters, y = 0 meters, and a charge of 1.2 Coulombs at a location with coordinates x = +7.5 meters, y = 0 meters. What is the potential (voltage) due to these charges, at location x = 0 meters, y = 9.3 meters on the floor using volts?arrow_forwardAn electron from location A (electric potential is +5.7 volts) to location B (electric potential is -12 volts). Calculate the change in the electron's electrostatic potential ENERGY when it moves from point A to point B. Give your answer as the number of Joules.arrow_forwardJack Sparrow and his crew snuck up on their enemies by submerging an upturned wooden rowboat and breathing in an air pocket in the upside-down boat's cavity. What stupidly large force would be needed to hold such a boat underwater? The total volume of the wood is 0.0686 m3 and the density of the boat is 380. kg/m3. It will hold 5.28 m3 of air which has a density of 1.20 kg/m3. The density of water is 1000. kg/m3.arrow_forward
- A high-speed lifting mechanism supports an 881 kg object with a steel cable that is 22.0 m long and 4.00 cm^2 in cross-sectional area. Young's modulus for steel is 20.0 ⋅10^10 Pa. The elongation of the cable is 2.377x10^-3 m. By what amount does the cable increase in length if the object is accelerated upwards at a rate of 3.11 m/s2?arrow_forwardLet us assume you are lifting out a 179 lb sheep. The density of the air around the balloon is 1.23 kg/m3 and the density of the air inside the balloon is 0.946 kg/m3. If the sheep accelerates upwards at 4.84 m/s2, what is the volume of the balloon? 1 kg = 2.20 lbsarrow_forwardAir streams past a small airplane's wings such that speed is 50 m/s over the top surface and 30m/s past the bottom. If the plane has a wing of 9m^2. Ignoring the small height difference find 1.The pressure difference between the top and bottom of the plane's wings. 2. What would be the gravitational pull on the plane assuming the plane is moving horizontally. .arrow_forward
- Draw a right-handed 3D Cartesian coordinate system (= x, y and z axes). Show a vector A with tail in the origin and sticking out in the positive x, y and z directions. Show the angles between A and the positive x, y and z axes, and call these angles α₁, α₂ and α3 Prove that Ax Acos α₁ Ay = Acos α₂ A₂- Acos α3arrow_forwardsolve for Voarrow_forwardDraw a third quadrant vector C. (remember that boldface characters represent vector quantities). Show the standard angle 0 for this vector (= angle that C makes with the positive x- axis). Also show the angle that C makes with the negative y-axis: call the latter angle 8. Finally, show the smallest angles that C makes with the positive x-axis and the positive y-axis: call these angles p1 and p2, repectively. a) Prove the following formulas for the components of C involving the standard angle (hint: start with the formulas for the components based on the angle & and then use (look up if necessary) co-function identities linking cosine and sine of 8 to sine and cosine of 0 since 8 = 3π/2-8 (this will switch cosine and sine around and eliminate - signs as well)) - C=Ccose C₁=Csine b) Prove the following formulas for the components of C: C=Ccosp1 C=Ccosp2arrow_forward
- Notation matters when working with vectors! In particular, it is important to distinguish between the vector itself (A) and its magnitude (A). Illustrate in four separate sketches that each of the following statements is possible: a) both R = A + B and R=A+B are correct b) R = A + B is correct, but R=A+B is incorrect c) R = A + B is incorrect, but R=A+B is correct d) both R = A + B and R=A+B are incorrectarrow_forwardYou know from your math courses that an infinitesimal segment of a circular arc can be considered as a straight line segment. Imagine that you cover a full circle in, say, the clockwise direction, with infinitesimal displacement vectors dr. Then evaluate fdr and fdr (the circle symbol on the integral just reminds us that we have to go around the full circle).arrow_forwardWhen 1.00 g of water at 100˚C changes from the liquid to the gas phase at atmospheric pressure, its change in volume is: 1.67 x 10^-3 How much heat is added to vaporize the water? How much work is done by the water against the atmosphere in expansion? What is the change in the internal energy of the water?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSONIntroduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningLecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-WesleyCollege Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON

College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning

University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON

Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press

Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning

Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:9780321820464
Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:Addison-Wesley

College Physics: A Strategic Approach (4th Editio...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON
How To Solve Any Resistors In Series and Parallel Combination Circuit Problems in Physics; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=eFlJy0cPbsY;License: Standard YouTube License, CC-BY