Conceptual Physical Science (6th Edition)
6th Edition
ISBN: 9780134060491
Author: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt
Publisher: PEARSON
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Textbook Question
Chapter 9, Problem 61E
How do force field lines for gravitation about a plane differ from force field line for magnetism about
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Conceptual Physical Science (6th Edition)
Ch. 9 - How does the range of refrigerator magnets differ...Ch. 9 - Prob. 2RCQCh. 9 - Prob. 3RCQCh. 9 - Prob. 4RCQCh. 9 - What two kinds of motion are exhibited by...Ch. 9 - What is a magnetic domain?Ch. 9 - Why is iron magnetic and wood not magnetic?.Ch. 9 - Prob. 8RCQCh. 9 - What happens to the direction of the magnetic...Ch. 9 - Why is the magnetic field strength inside a...
Ch. 9 - How is the strength of the magnetic field in a...Ch. 9 - In what direction relative to a magnetic field...Ch. 9 - What effect does Earths magnetic field have on the...Ch. 9 - What relative direction between a magnetic field...Ch. 9 - Prob. 15RCQCh. 9 - What is a galvanometer called when it is...Ch. 9 - Is it correct to say that an electric motor is a...Ch. 9 - What important discovery did physicists Michael...Ch. 9 - State Faradays law.Ch. 9 - What are the three ways in which voltage can be...Ch. 9 - How does the frequency of induced voltage compare...Ch. 9 - What are the basic differences and similarities...Ch. 9 - Is the current that is produced by a common...Ch. 9 - What commonly supplies the energy input to a...Ch. 9 - Is it correct to say that a generator produces...Ch. 9 - Is it correct to say that a transformer boosts...Ch. 9 - Which of these does a transformer change: voltage,...Ch. 9 - What is induced by the rapid alternation of a...Ch. 9 - What is induced by the rapid alternation of an...Ch. 9 - What important connection did Maxwell discover...Ch. 9 - PLUG AND CHUG (FORMULA FAMILIARIZATION)...Ch. 9 - PLUG AND CHUG (FORMULA FAMILIARIZATION)...Ch. 9 - A video game console requires 6 V to operate...Ch. 9 - A model electric train requires 6 V to operate....Ch. 9 - A transformer for a laptop computer converts a...Ch. 9 - Show that if the output current for the...Ch. 9 - A transformer has an input of 6 V and an output of...Ch. 9 - An ideal transformer has 50 turns in its primary...Ch. 9 - Neon signs require about 12,000 Y for their...Ch. 9 - A power of 100 kW (105W) is delivered to the other...Ch. 9 - Bar magnets are moved into the wire coils in...Ch. 9 - Each of the transformers shown below powered with...Ch. 9 - Many dry cereals are fortified with iron, which is...Ch. 9 - If you place a chunk of iron near the north pole...Ch. 9 - How do the magnetic poles of refrigerator magnets...Ch. 9 - Prob. 50ECh. 9 - What kind of force field surrounds a stationary...Ch. 9 - Prob. 52ECh. 9 - All atoms have moving electric charges. Why, they...Ch. 9 - Will either pole of a magnet attract a paper clip?...Ch. 9 - A friend tells you that aluminum lies beneath the...Ch. 9 - Magnet A has twice the magnetic field strength of...Ch. 9 - Prob. 57ECh. 9 - To make a compass point an ordinary iron nail...Ch. 9 - Nails sticking to a magnet is understandable. But...Ch. 9 - When steel naval ships are built, the location of...Ch. 9 - How do force field lines for gravitation about a...Ch. 9 - Can an electron at rest in a magnetic field be set...Ch. 9 - When a current-carrying wire is placed in a strong...Ch. 9 - Two charged particles are projected into a...Ch. 9 - In Figure 9.17, we see a magnet exerting a force...Ch. 9 - Residents of northern Canada are bombarded by more...Ch. 9 - When doing spacewalks, why do astronauts keep to...Ch. 9 - What changes in cosmic-ray intensity at Earths...Ch. 9 - Prob. 69ECh. 9 - Historically, replacing dirt roads with paved...Ch. 9 - A common pickup for on electric guitar consists of...Ch. 9 - When Tim pushes the wire between the poles of the...Ch. 9 - At the airport security area you walk through a...Ch. 9 - If your metal car moves over a wide, closed loop...Ch. 9 - Two separate but similar coils of wire are mounted...Ch. 9 - Why will more voltage be induced with the...Ch. 9 - Why is a generator armature harder to rotate when...Ch. 9 - Does a cyclist coast farther if the headlamp...Ch. 9 - How do the input and output parts of a generator...Ch. 9 - Your friend says that if you crank the shaft of a...Ch. 9 - Correct the statement that a generator produces...Ch. 9 - Discuss what is wrong with the following scheme:...Ch. 9 - What is wrong with the statement that a very...Ch. 9 - Why will a transformer not work in a dc circuit?Ch. 9 - What is the principal difference between a step-up...Ch. 9 - In what sense can a transformer be viewed as an...Ch. 9 - Can an efficient transformer step up energy?...Ch. 9 - A friend says that changing electric and magnetic...Ch. 9 - Would electromagnetic waves exist if changing...Ch. 9 - Your physics instructor drops a magnet through a...Ch. 9 - This exercise is similar to the previous one. Why...Ch. 9 - Discuss why a motor also tends to act as a...Ch. 9 - Both the English physicist Michael Faraday and the...Ch. 9 - One method for making a compass is to stick a...Ch. 9 - Your lab partner says, An electron always...Ch. 9 - In a mass spectrometer, ions are directed into a...Ch. 9 - A cyclotron is a device for accelerating charged...Ch. 9 - A beam of high-energy protons emerges from a...Ch. 9 - A magnetic field can deflect a beam of electrons,...Ch. 9 - When Fred Cauthen releases the sheet of copper,...Ch. 9 - A piece of plastic tape coated with iron oxide is...Ch. 9 - If you place a metal ring in a region where a...Ch. 9 - How could a light bulb near an electromagnet, but...Ch. 9 - Why can a hum usually be heard when a transformer...Ch. 9 - Prob. 105DQCh. 9 - A magician places an aluminum ring on a table,...Ch. 9 - Do a pair of parallel current-carrying wires exert...Ch. 9 - Choose the BEST way to complete the statement. 1....Ch. 9 - Surrounding moving electric charges are (a)...Ch. 9 - Prob. 3RATCh. 9 - A magnetic force acting on a beam of electrons can...Ch. 9 - When you move a bar magnet to and fro, first...Ch. 9 - The principle underlying the operation of an...Ch. 9 - The essential physics concept in the operation of...Ch. 9 - A transformer works in accordance with (a)...Ch. 9 - A step-up transformer in an electric circuit can...Ch. 9 - Prob. 10RAT
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- How far from the starter cable of a car, carrying 150 A, must you be to experience a field less than the Earth's (5.00105T) ? Assume a long straight wire carries the current. (In practice, the body of your car shields the dashboard compass.)arrow_forwardUnder what conditions, if any, will the trajectory of a charged particle not follow a field line?arrow_forwardA 1.00-kg ball having net charge Q = 5.00 C is thrown out of a window horizontally at a speed v = 20.0 m/s. The window is at a height h = 20.0 m above the ground. A uniform horizontal magnetic field of magnitude B = 0.010 0 T is perpendicular to the plane of the balls trajectory. Find the magnitude of the magnetic force acting on the ball just before it hits the ground. Hint: Ignore magnetic forces in finding the balls final velocity.arrow_forward
- Discuss the similarities and differences between the electrical force on a charge and the magnetic force on a charge.arrow_forwardAn electron in a TV CRT moves with a speed at 6.00107m/s, in a direction perpendicular to the Earth’s field, which has a strength of 5.00105T. (a) What strength electric field must be applied perpendicular to the Earth’s field to make the election moves in a straight line? (b) If this is done between plates separated by 1.00 cm, what is the voltage applied? (Note that TVs are usually surrounded by a ferromagnetic material to shield against external magnetic fields and avoid the need for such a correction.)arrow_forwardIf a charged particle moves in a straight line, can you conclude that there is no magnetic field present?arrow_forward
- Integrated Concepts (a) A 0.140-kg baseball, pitched at 40.0 m/s horizontally and perpendicular to the Earth's horizontal 5.00105T field, has a 100-nC charge on it. What distance is it deflected from its path by the magnetic force, after traveling 30.0 m horizontally? (b) Would you suggest this as a secret technique for a pitcher to throw curve balls?arrow_forwardIn regions of low humidity, one develops a special "grip” when opening car doors, or touching metal door knobs. This involves placing as much of the hand on the device as possible, not just the ends of one’s fingers. Discuss the induced charge and explain why this is done.arrow_forwardAn electron moving at 4.00103 m/s in a 1.25-T magnetic field experiences a magnetic force of 1.401016 N. What angle does the velocity of the electron make with the magnetic field? There are two answers.arrow_forward
- A proton moves at 7.50107m/s perpendicular to a magnetic field. The field causes the proton to travel in a circular path of radius 0.800 m. What is the field strength?arrow_forwardElectrons in Earths upper atmosphere have typical speeds near 6.00 105 m/s. (a) Calculate the magnitude of Earths magnetic field if an electrons velocity is perpendicular to the magnetic field and its circular path has a radius of 7.00 102 m. (b) Calculate the number of times per second that an electron circles around a magnetic field line.arrow_forward(a) A cosmic ray proton moving toward the Earth at 5.00107m/s experiences a magnetic force of 1.701016N. What is the strength of the magnetic field it there is a 45° angle between it and the proton’s velocity? (b) Is the value obtained in part (a) consistent with the known strength of the Earth’s magnetic field on its surface? Discuss.arrow_forward
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Magnets and Magnetic Fields; Author: Professor Dave explains;https://www.youtube.com/watch?v=IgtIdttfGVw;License: Standard YouTube License, CC-BY