COLLEGE PHYSICS:VOL.1
2nd Edition
ISBN: 9780134862897
Author: ETKINA
Publisher: PEARSON
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Textbook Question
Chapter 21, Problem 17CQ
Describe three common applications of
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Chapter 21 Solutions
COLLEGE PHYSICS:VOL.1
Ch. 21 - Review Question 21.1 Your friend thinks that...Ch. 21 - Review Question 21.2 You have a bar magnet and a...Ch. 21 - Review Question 21.3 What difficulty would occur...Ch. 21 - Review Question 21.4 Why do we write the law of...Ch. 21 - Review Question 21.5 How does the law of...Ch. 21 - Review Question 21.6 A capacitor in an electric...Ch. 21 - Prob. 7RQCh. 21 - Review Question 21.8 Explain how (a) an electric...Ch. 21 - 1. In which of the experiments with a loop and a...Ch. 21 - If you move the coil in Figure Q21.2 toward the N...
Ch. 21 - The magnetic flux through a 100-cm2 loop is...Ch. 21 - Your friend says that the emf induced in a coil...Ch. 21 - 5. A metal ring lies on a table. The S pole of a...Ch. 21 - 6. One coil is placed on lop of another The bottom...Ch. 21 - Two coils are placed next to each other flat on...Ch. 21 - 8. Two identical bar magnets are dropped...Ch. 21 - A windows metal frame is essentially a metal loop...Ch. 21 - Four identical loops move at the same velocity...Ch. 21 - A 12-V automobile battery provides the thousands...Ch. 21 - A respiration detector consists of a coil placed...Ch. 21 - A parallel plate capacitor and a lightbulb are...Ch. 21 - Prob. 14MCQCh. 21 - A bar magnet falling with the north pole facing...Ch. 21 - 16. An induction cooktop has a smooth surface When...Ch. 21 - Describe three common applications of...Ch. 21 - 18. Two rectangular loops A and B are near each...Ch. 21 - A simple metal detector has a coil with an...Ch. 21 - 20. Construct flux-versus-time and emf-versus-time...Ch. 21 - How is it possible to get a 2000-V emf from a...Ch. 21 - You connect a capacitor and a lightbulb in series...Ch. 21 - Prob. 23CQCh. 21 - * You and your friend are performing experiments...Ch. 21 - You decide to use a metal ring as an indicator of...Ch. 21 - * To check whether a lightbulb permanently...Ch. 21 - * Flashlight without batteries A flashlight that...Ch. 21 - You need to invent a practical application for a...Ch. 21 - * Detect burglars entering windows. Describe how...Ch. 21 - 7. * A coil connected to an ammeter can detect...Ch. 21 - * The B field in a region has a magnitude of 0.40...Ch. 21 - 9. EST How do you position a bicycle tire so that...Ch. 21 - * EST Estimate the magnetic flux through your head...Ch. 21 - 11. * Estimate the magnetic flux through the...Ch. 21 - Prob. 12PCh. 21 - 13. You have the apparatus shown in Figure P21.13....Ch. 21 - * You suggest that eddy currents can stop the...Ch. 21 - * Your friend thinks that an induced magnetic...Ch. 21 - The magnetic flux through three different coils is...Ch. 21 - 17. The magnetic flux through three different...Ch. 21 - 18. A magnetic field passing through two coils of...Ch. 21 - BIO Stimulating the brain in transcranial magnetic...Ch. 21 - * To measure a magnetic field produced by an...Ch. 21 - Prob. 21PCh. 21 - 22 * BIO Breathing monitor An apnea monitor for...Ch. 21 - 23. * A bar magnet induces a current in an -turn...Ch. 21 - * An experimental apparatus has two parallel...Ch. 21 - A Boeing 747 with a 65-m wingspan is cruising...Ch. 21 - Prob. 27PCh. 21 - 28. ** BIO EST Magnetic field and brain cells...Ch. 21 - * You need to test Faraday's law You have a...Ch. 21 - 30. * You build a coil of radius r (m) and place...Ch. 21 - * EST Generator for space station Astronauts on a...Ch. 21 - 35. * A toy electric generator has a 20-tum...Ch. 21 - 36. * A generator has a 450-turn coil that is 10...Ch. 21 - 39. * A generator has a 100-turn coil that rotates...Ch. 21 - Prob. 40PCh. 21 - * A rectangular wire loop is moving with constant...Ch. 21 - field that points into the page (Figure P21.42)....Ch. 21 - 43. The voltage across an AC power supply is given...Ch. 21 - 44. * The alternating current through a capacitor...Ch. 21 - * The alternating current through a solenoid is...Ch. 21 - 46. * The rms voltage of household AC in Europe is...Ch. 21 - Prob. 47PCh. 21 - Prob. 48PCh. 21 - 49. You need to build a transformer that can step...Ch. 21 - 50. Your home’s electric doorbell operates on 10...Ch. 21 - 51. A 9.0-V battery and switch are connected in...Ch. 21 - * You are fixing a transformer for a toy truck...Ch. 21 - 53. * A wire loop has a radius of 10 cm. A...Ch. 21 - BIO Hammerhead shark A hammerhead shark (Figure...Ch. 21 - ** You have a 12-V battery, some wire, a switch,...Ch. 21 - 61.* EST A sparker used to ignite lighter fluid in...Ch. 21 - * EST Design a magnetometer Your friend needs to...Ch. 21 - Prob. 63GPCh. 21 - 64 EST MRI Jose needs an MRI (magnetic resonance...Ch. 21 - * Magstripe reader A magstripe reader used to read...Ch. 21 - 66. Show that when a metal rod L meters long moves...Ch. 21 - 67. ** EST The Tower of Terror ride Magnetic...Ch. 21 - BIO Magnetic induction tomography (MIT) Magnetic...Ch. 21 - BIO Magnetic induction tomography (MIT) Magnetic...Ch. 21 - BIO Magnetic induction tomography (MIT) Magnetic...Ch. 21 - BIO Magnetic induction tomography (MIT) Magnetic...Ch. 21 - BIO Magnetic induction tomography (MIT) Magnetic...Ch. 21 - BIO Magnetic induction tomography (MIT) Magnetic...Ch. 21 - BIO Magnetic induction tomography (MIT) Magnetic...Ch. 21 - BIO Magnetic induction tomography (MIT) Magnetic...Ch. 21 - BIO Magnetic induction tomography (MIT) Magnetic...
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- 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_forwardCalculate the magnitude of magnetic induction and determine its direction.arrow_forwardIn electromagnetic induction, explain the principle why the voltmeter behave the way we observe it?arrow_forward
- 1.Distinguish between paramagnetic, diamagnetic and ferromagnetic substances and illustrate their behavior. How can you explain the behavior of these substances? Answer in atleast 300 words.arrow_forwardState two ways by which the speed of rotation of an electric motor can be increased.arrow_forward1) If the bar magnet is flipped over and the south pole is brought near the hanging steel ball, the ball will be A. Attracted to the magnet. B. Repelled by the magnet. C. Unaffected by the magnet. D. I'm not sure. 2) If a bar magnet is cut in half, you end up with A. S B. N C. S D. E. HW#5 Basic Electricity-EET-203, problems on magnetism S N N S S S S 3) Find the position of the compass อ www Unmagnetized 0 B S A с N J Steel A E B=0arrow_forward
- Which of the following is not an application of electromagnetic induction? Select the correct answer O Electric motor based on torque exerted on a current loop in a magnetic field O Choose this answer if all of these are applications of electromagnetic induction O Electric generator in a nuclear power plant O Magnetic brain stimulation as a treatment for psychiatric disorders O Electric generator in a coal burning power plantarrow_forwardIf the magnitude of the magnetic induction is less than that in a vaccum within a solid, so, this material called a) Ferrimagnetic b) Ferromagnetic c) Diamagnetic d) Paramagneticarrow_forwardWhich one of the following choices is not a possible way to produce a magnetic field?a. Set up a current in a long, straight wire.b. Uniformly distribute charges over the surface of a conductor.c. Make an object out of materials that have an intrinsic magnetic field.d. Pass a current through a coil of wire.arrow_forward
- The current in a vertical wire moves downward. Describe the direction, shape of the magnetic field it creates.arrow_forwardDescribe one way in which an electric dipole and a permanently magnetized bar magnet exhibit similar behaviors or properties. Then describe another way in which they exhibit clearly different behaviours or propertiesarrow_forward11) In the circuit shown in the figure to the right, the battery supplies 12 V. What is the current coming out of the battery? A. 1.08 A B. 0.250 A C. 0.540 A D. 0.267 A E. 0.133 A 12) In the figure, a positively charged particle carrying 15 nC of charge is moving at a speed of 3x106 m/s through the magnetic field shown that has a strength of 5 T. What is the force that the field exerts on the charge? Α. ΟΝ B. 0.125 N C. 0.225 N D. 0.475 N E. 0.675 N 13) Two charges of equal magnitude are shown at the bottom of the figure to the right. What is the direction of the net force that they exert on the charge at the top? 1338 nertegneribyllut of bowolls bns vistieds of batsa (Bild Kilt mont atoq 14) For a conductor in electrostatic equilibrium, which of the following must be true? B. ① -Q A. any excess charge is located at the center of the conductor B. any excess charge cannot be at rest C. the electric field is parallel to the surface of the conductor D, the electric field inside the…arrow_forward
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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