Applied Physics (11th Edition)
11th Edition
ISBN: 9780134159386
Author: Dale Ewen, Neill Schurter, Erik Gundersen
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 19, Problem 4RQ
Which of the following contribute to the energy loss in a transformer?
- a. Resistance of the copper wires
- b. Reversing the magnetic field in the core
- c. Induced currents in the core
- d. The emf in the outside circuit
- e. All of the above
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 19 Solutions
Applied Physics (11th Edition)
Ch. 19.1 - What is the maximum voltage in an ac circuit in...Ch. 19.1 - The instantaneous voltage in an ac circuit at...Ch. 19.1 - If the maximum ac voltage on a line is 165 V, what...Ch. 19.1 - The maximum current in an ac circuit is 8.00 A....Ch. 19.1 - The instantaneous current in an ac circuit is 6.50...Ch. 19.1 - What is the maximum voltage in an ac circuit where...Ch. 19.1 - If the maximum ac voltage on a line is 145 V, what...Ch. 19.1 - The maximum current in an ac circuit is 5.75 A....Ch. 19.1 - Find the maximum current in an ac circuit where...Ch. 19.1 - The instantaneous voltage in an ac circuit at...
Ch. 19.1 - If Imax=4.59 A and 1=4.32 A, what is ?Ch. 19.1 - If 1=1.23 A and Imax=3.41 A, what is ?Ch. 19.1 - Find the effective value of an ac voltage whose...Ch. 19.1 - Find the maximum current in an ac circuit with an...Ch. 19.1 - Find the effective value of an ac voltage whose...Ch. 19.1 - Find the maximum current in an ac circuit with an...Ch. 19.1 - Find the effective value of a current in an ac...Ch. 19.1 - Find the effective value of an ac voltage whose...Ch. 19.1 - What is the maximum current in a circuit in which...Ch. 19.1 - Find the maximum current in a circuit in which an...Ch. 19.1 - A technician uses an oscilloscope to measure an...Ch. 19.1 - A technician uses a cathode ray oscilloscope to...Ch. 19.1 - A maximum voltage of 34.0 V is developed by an ac...Ch. 19.1 - A power plant generator develops a maximum voltage...Ch. 19.1 - A maximum current of 0.700 A flows through a...Ch. 19.1 - If the average power dissipated by an electric...Ch. 19.1 - If the average power dissipation by a hair dryer...Ch. 19.2 - Prob. 1PCh. 19.2 - What power is developed by a device that draws...Ch. 19.2 - Find the output power of a transformer with output...Ch. 19.2 - A heater operates on a 110-V line and is rated at...Ch. 19.2 - A heating element draws 6.00 A on a 220-V line....Ch. 19.2 - Prob. 6PCh. 19.2 - What power is used by a heater that has a...Ch. 19.2 - A heater operates on a 110-V line and is rated at...Ch. 19.2 - A 110- resistance coil draws a current of 5.00 A....Ch. 19.2 - What power is used by a heater with resistance...Ch. 19.2 - VP=30.0V VS=45.0V NS=15.0 turns Find NP.Ch. 19.2 - VP=250V NP=703turns NS=275 turns Find VS.Ch. 19.2 - IP=6.00 A IS=4.00 A VP=39.0 V Find VS.Ch. 19.2 - A step-up transformer on a 115-V line provides a...Ch. 19.2 - A step-down transformer on a 115-V line provides a...Ch. 19.2 - A transformer has 20.0 turns in the primary coil...Ch. 19.2 - If the current is 9.00 A in the primary coil in...Ch. 19.2 - If the voltage in the secondary coil of a...Ch. 19.2 - A neon sign has a transformer that changes...Ch. 19.2 - Prob. 20PCh. 19.2 - The current in the secondary coil of a transformer...Ch. 19.2 - A transformer steps down 6600 V to 120 V. (a) If...Ch. 19.2 - The primary coil of a step-down transformer has...Ch. 19.2 - A step-up transformer has 300 0 turns in the...Ch. 19.2 - A mechanic is testing a transformer that increases...Ch. 19.2 - Prob. 26PCh. 19.3 - Find the inductive reactance (in ohms) of each...Ch. 19.3 - Find the inductive reactance (in ohms) of each...Ch. 19.3 - Find the inductive reactance (in ohms) of each...Ch. 19.3 - Find the inductive reactance (in ohms) of each...Ch. 19.3 - What is the inductive reactance (in ohms) of a...Ch. 19.3 - Find the inductive reactance (in ohms) of a 655-H...Ch. 19.3 - Find the current (in amperes) in each inductive...Ch. 19.3 - Prob. 8PCh. 19.3 - Prob. 9PCh. 19.3 - Find the current (in amperes) in each inductive...Ch. 19.3 - Find the current (in amperes) in an inductive...Ch. 19.3 - Find the current (in amperes) in an inductive...Ch. 19.4 - For a circuit with R=200 ,L=10.0 mH, and f=1.25...Ch. 19.4 - For a circuit with R=12.0 ,L=1.00 mH, and f=900 Hz...Ch. 19.4 - For a circuit with R= 1.00 k, L=50.0 mH, and...Ch. 19.4 - For a circuit with resistance 2.00 k, inductance...Ch. 19.4 - For a circuit with resistance 300 , inductance...Ch. 19.5 - Find the capacitive reactance (in ohms) in each ac...Ch. 19.5 - Find the capacitive reactance (in ohms) in each ac...Ch. 19.5 - Find the capacitive reactance (in ohms) in each ac...Ch. 19.5 - Find the capacitive reactance (in ohms) in each ac...Ch. 19.5 - Find the capacitive reactance (in ohms) in each ac...Ch. 19.5 - Find the capacitive reactance of a 15.0 -F...Ch. 19.5 - Find the capacitive reactance of a 45.0 -F...Ch. 19.5 - Find the capacitive reactance of a 6.00-mF...Ch. 19.5 - Find the capacitive reactance of a 330 -F...Ch. 19.5 - Find the capacitive reactance of a 222 -F...Ch. 19.6 - For an ac circuit with R=1.00 k, C=1.00 F, E=100...Ch. 19.6 - For an ac circuit with R=375 , C=5.00 F, E=20.0V,...Ch. 19.6 - For an ac circuit with R=4.80 k, C=45.0 F,...Ch. 19.6 - For an ac circuit with resistance 145m,...Ch. 19.6 - For an ac circuit with resistance 10.0m,...Ch. 19.7 - Find the impedance and current in each ac circuit....Ch. 19.7 - R=225 , L=10.0 mH, C=0.200 F, f=1.00 kHz, E=15.0 V...Ch. 19.7 - Find the impedance and current in each ac circuit....Ch. 19.7 - R=1.00 k, L=0.700H, C=30.0 F, f=60.0 Hz, E=8.00 V...Ch. 19.7 - A circuit contains a 150 - resistance, a 35.0 -F...Ch. 19.7 - A circuit contains a 225- resistance, a 5.00 -F...Ch. 19.7 - A circuit contains a 175- resistance, a 4.50 -F...Ch. 19.7 - A circuit contains a 575- resistance, a 100 -F...Ch. 19.7 - A circuit contains a 450 - resistance, a 35.0 -F...Ch. 19.7 - A circuit contains a 375- resistance, a 500 -F...Ch. 19.8 - Find the resonant frequency in each ac circuit. 1....Ch. 19.8 - Find the resonant frequency in each ac circuit. 2....Ch. 19.8 - Find the resonant frequency in each ac circuit. 3....Ch. 19.8 - Find the resonant frequency in each ac circuit. 4....Ch. 19.8 - Find the resonant frequency in each ac circuit. 5....Ch. 19.8 - Find the resonant frequency of a circuit...Ch. 19.8 - Find the resonant frequency of a circuit...Ch. 19.8 - Find the resonant frequency of a circuit...Ch. 19.8 - Find the resonant frequency of a circuit...Ch. 19.8 - Find the resonant frequency of a circuit...Ch. 19.10 - Find the actual power produced by a generating...Ch. 19.10 - A generating station operates with a power factor...Ch. 19.10 - Find the apparent power produced by a generating...Ch. 19.10 - Find the apparent power produced by a generating...Ch. 19.10 - A generating station operates with a power factor...Ch. 19.10 - Find the apparent power produced by a generating...Ch. 19.10 - Find the actual power produced by a generating...Ch. 19.10 - A generating station operates with a power factor...Ch. 19.10 - Find the apparent power produced by a generating...Ch. 19.10 - Find the apparent power produced by a generating...Ch. 19.10 - Find the power factor of a generating station...Ch. 19.10 - Find the power factor of a generating station...Ch. 19 - Which of the following describes alternating...Ch. 19 - The voltage, e, and the current, i, in an...Ch. 19 - Which of the following affect the voltage induced...Ch. 19 - Which of the following contribute to the energy...Ch. 19 - Explain the difference between maximum current and...Ch. 19 - Explain the difference between maximum voltage and...Ch. 19 - Explain how power in an ac circuit is related to...Ch. 19 - Explain how power in an ac circuit is related to...Ch. 19 - If the number of turns in the secondary coil of a...Ch. 19 - Prob. 10RQCh. 19 - Discuss the importance of inductive reactance.Ch. 19 - How does the inductive reactance depend on...Ch. 19 - Prob. 13RQCh. 19 - Describe how energy is stored in a capacitor. How...Ch. 19 - Does the current lead or lag the voltage in a...Ch. 19 - Prob. 16RQCh. 19 - Discuss the condition that leads to resonance.Ch. 19 - What is the function of a diode in a circuit?Ch. 19 - Explain the difference between amplification and...Ch. 19 - Prob. 20RQCh. 19 - What is the maximum voltage in a circuit when the...Ch. 19 - If the maximum ac voltage on a line is 185 V, what...Ch. 19 - If the maximum ac voltage on a line is 175 V, what...Ch. 19 - What is the effective value of an ac voltage whose...Ch. 19 - What is the maximum current in a circuit with a...Ch. 19 - What power is developed by a device that draws...Ch. 19 - A heating element draws 4.50 A on a 110-V line....Ch. 19 - What power is used by a heater with resistance...Ch. 19 - A step-up transformer on a 115-V line provides a...Ch. 19 - An inductance of 48.0 mH is connected in series...Ch. 19 - A lamp with resistance 47.5 is connected in...Ch. 19 - (a) What current will flow in a 60.0-Hz ac series...Ch. 19 - A 21.6- resistor and a 38.5- F capacitor are...Ch. 19 - A circuit contains a 175- resistance, a 25.0 -F...Ch. 19 - A circuit contains a 115- resistance, a 35.0-F...Ch. 19 - (a) Find the resonant frequency of a circuit...Ch. 19 - (a) Find the resonant frequency of a circuit...Ch. 19 - Find the apparent power produced by a generating...Ch. 19 - A microwave oven is designed to draw 11.8 A of...Ch. 19 - Before converting alternating current to direct...Ch. 19 - Prob. 3ACCh. 19 - A 65.5-V, 60.0-Hz ac generator is connected to a...Ch. 19 - An AM radio tuner circuit has an inductance of 275...
Additional Science Textbook Solutions
Find more solutions based on key concepts
15. (II) The gauge pressure in each of the four tires of an automobile is 240 kPa. If each tire has a “footprin...
Physics: Principles with Applications
The force, when you push against a wall with your fingers, they bend.
Conceptual Physics (12th Edition)
Using the definitions in Eqs. 1.1 and 1.4, and appropriate diagrams, show that the dot product and cross produc...
Introduction to Electrodynamics
Use the characteristics of the of the Coulomb force to explain why capacitance should be proportional to the pl...
College Physics
60. A 15.0 kg mass fastened to the end of a steel wire with an unstretched length of 0.50 m is whirled in a ver...
College Physics (10th Edition)
11. The foot of a 55 kg sprinter is on the ground for 0.25 s while her body accelerates from rest to 2.0 m/s.
a...
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 person who works with large magnets sometimes places her head inside a strong field. She reports feeling dizzy as she quickly turns her head. How might this be associated with induction?arrow_forward(a) What is the voltage output of a transformer used for rechargeable flashlight batteries, if its primary has 500 turns, its secondary 4 turns, and the input voltage is 120 V? (b) What input current is required to produce a 4.00 A output? (c) What is the power input?arrow_forwardReview. A novel method of storing energy has been proposed. A huge underground superconducting coil, 1.00 kin in diameter, would be fabricated. It would carry a maximum current of 50.0 kA through each winding of a 150-turn Nb3Sn solenoid. (a) If the inductance of this huge coil were 50.0 H. what would be the total energy stored? (b) What would be the compressive force per unit length acting between two adjacent windings 0.250 in apart?arrow_forward
- A multipurpose transformer has a secondary coil with several points at which a 1inziltage can be extracted, giving outputs of 5.60, 12.0, and 480 V. (a) The input voltage is 240 V to a primary coil of 280 turns. What are the numbers of turns in the parts of the secondary used to produce the output voltages? (b) If the maximum input current is 5.00 A, what are the maximum output currents (each used alone)?arrow_forwardWhat are the directions of the currents in the loop and coils shown in Figure 22.61?arrow_forwardA large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage to 335 kV. The secondary at this transformer is being replaced so that its output can be 750 kV for more efficient cross-country transmission on upgraded transmission lines. (a) What is the ratio of turns in the new secondary compared with the old secondary? (b) What is the ratio of new current output to old output (at 335 IN) for the same power? (c) If the upgraded transmission lines have the same resistance, what is the ratio of new line power loss to old?arrow_forward
- (a) The plug-in transformer for a laptop computer puts out 7.50 V and can supply a maximum current of 2.00 A. What is the maximum input current if the input voltage is 240 V? Assume 100% ef?ciency. (b) If the actual efficiency is less man 100%, would the input current need to be greater or smaller? Explain.arrow_forwardAt what angular velocity in rpm will the peak voltage of a generator be 480 V. if its 500-turn, 8.00 cm diameter coil rotates in a 0.250 T field?arrow_forward(a) A car generator turns at 400 rpm when 1he engine is idling. Its 300-turn, 5.00 by 8.00 cm rectangular coil rotates in an adjustable magnetic field 50 that it can produce suf?cient voltage even at low rpms. What is the field strength needed to produce a 24.0 V peak emf? (b) Discuss how this required field strength compares to those available in permanent and electromagnets.arrow_forward
- Explain how electromagnetic induction can be used to detect metals? This technique is particularly important in detecting buried landmines for disposal, geophysical prospecting and at airports.arrow_forwardAt the moment t = 0, a 24.0-V battery is connected to a 5.00-mH coil and a 6.00- resistor. (a) Immediately thereafter, how does the potential difference across the resistor compare to the emf across the coil? (b) Answer the same question about the circuit several seconds later. (c) Is there an instant at which these two voltages are equal in magnitude? If so, when? Is there more than one such instant? (d) After a 4.00-A current is established in the resistor and coil, the battery is suddenly replaced by a short circuit. Answer parts (a), (b), and (c) again with reference to this new circuit.arrow_forwardAn American traveler in New Zealand carries a transformer to convert New Zealand’s standard 240 V to 120 V so that she can use some small appliances on her trip. (a) What is the ratio of turns in the primary and secondary coils of her transformer? (b) What is the ratio of input to output current? (c) How could a New Zealander traveling in the United States use this same transformer to power her 240 V appliances from 120 V?arrow_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, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningAn Introduction to Physical SciencePhysicsISBN:9781305079137Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar TorresPublisher:Cengage Learning
- College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
An Introduction to Physical Science
Physics
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
What is Electromagnetic Induction? | Faraday's Laws and Lenz Law | iKen | iKen Edu | iKen App; Author: Iken Edu;https://www.youtube.com/watch?v=3HyORmBip-w;License: Standard YouTube License, CC-BY