EBK PHYSICAL SCIENCE
11th Edition
ISBN: 8220103146722
Author: Tillery
Publisher: YUZU
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Textbook Question
Chapter 6, Problem 15AC
A lodestone is a natural magnet that attracts
a. iron.
b. cobalt.
c. nickel.
d. all of the above.
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Students have asked these similar questions
What is the meaning of the word "permanent" when used to describe a magnet?
a. Magnetism depends on the realignment of domains in the magnetic material.
b. Atoms inside the material are themselves tiny magnets.
c. Magnetic effects move nearby objects to new positions.
d. Magnetism persists independent of other magnetic objects.
e. Magnetism is induced by the presence of nearby magnetic objects.
The magnetic field of the Earth is believed to come from:
a. Solar wind.b. Solar flares.c. Iron ore deposits in the crust.d. Nickel-iron deposits in the crust.e. Convection currents within the liquid interior.
A. Magnet
B. Orlent
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Letter of the word
Definition
Potential
Stored energy due to an object's position.
Energy
A man-made power cell used to generate electrical energy.
The act or power of drawing toward something.
Energy an object possesses due to being in motion.
A material or object that produces a magnetic field.
To place in any definite position with reference to the points of the
compass or other locations.
The force in which bodies, particles, or like forces move away from
one another.
A vector field that describes the magnetic influence on moving
electric charges, electrical currents, and magnetic materials.
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Chapter 6 Solutions
EBK PHYSICAL SCIENCE
Ch. 6 - 1. Electrostatic charge results from
a. transfer...Ch. 6 - 2. The unit of electric charge is the
a. volt.
b....Ch. 6 - 3. An electric field describes the condition of...Ch. 6 - 4. A material that has electrons that are free to...Ch. 6 - 5. An example of an electrical insulator is
a....Ch. 6 - 6. The electrical potential difference between two...Ch. 6 - 7. The rate at which an electric current flows...Ch. 6 - 8. The law that predicts the behavior of...Ch. 6 - 9. What type of electric current is produced by...Ch. 6 - 10. The electrical resistance of a conductor is...
Ch. 6 - 11. According to Ohm’s law, what must be greater...Ch. 6 - 12. A kilowatt-hour is a unit of
a. power.
b....Ch. 6 - 13. If you multiply volts by amps, the answer will...Ch. 6 - 14. Units of joules per second are a measure...Ch. 6 - 15. A lodestone is a natural magnet that...Ch. 6 - The north pole of a suspended or floating bar...Ch. 6 - 17. A current-carrying wire always has
a. a...Ch. 6 - 18. Magnetism is produced by
a. an excess of north...Ch. 6 - 19. Earth's magnetic field
a. has undergone many...Ch. 6 - 20. The strength of a magnetic field around a...Ch. 6 - 21. Reverse the direction of a current in a wire,...Ch. 6 - 22. The operation of which of the following...Ch. 6 - Prob. 23ACCh. 6 - When a loop of wire cuts across magnetic field...Ch. 6 - 25. A step-up transformer steps up the
a....Ch. 6 - Prob. 26ACCh. 6 - 27. Electric power companies step up the voltage...Ch. 6 - 28. A solar cell
a. produces electricity...Ch. 6 - 29. Which of the following is most likely to...Ch. 6 - 30. Which of the following units are measures of...Ch. 6 - 31. You are using which description of a current...Ch. 6 - 32. In an electric current, the electrons are...Ch. 6 - 33. In which of the following currents is there no...Ch. 6 - Prob. 34ACCh. 6 - 35. A permanent magnet has magnetic properties...Ch. 6 - 36. A current-carrying wire has a magnetic field...Ch. 6 - 37. When an object acquires a negative charge, it...Ch. 6 - 38. A positive and a negative charge are initially...Ch. 6 - 39. To be operational, a complete electric circuit...Ch. 6 - 40. Which variable is inversely proportional to...Ch. 6 - 41. Which of the following is not considered to...Ch. 6 - 42. A piece of iron can be magnetized or...Ch. 6 - 43. Earth’s magnetic field is believed to...Ch. 6 - 44. Electromagnetic induction takes place...Ch. 6 - 45. The current in the secondary coil of a...Ch. 6 - 46. An electromagnet uses.
a. a magnetic field to...Ch. 6 - 47. A transformer.
a. changes the voltage of a...Ch. 6 - 48. A parallel circuit has
a. wires that are lined...Ch. 6 - 49. In which type of circuit would you expect a...Ch. 6 - 50. In which type of circuit would you expect the...Ch. 6 - 1. Explain why a balloon that has been rubbed...Ch. 6 - 2. Explain what is happening when you walk across...Ch. 6 - 3. Why does a positively or negatively charged...Ch. 6 - 4. Explain how you that it is an electric field,...Ch. 6 - 5. Is a kWh a unit of power or a unit of work?...Ch. 6 - 6. What is the difference between ac and dc?
Ch. 6 - Prob. 7QFTCh. 6 - 8. How is an unmagnetized piece of iron different...Ch. 6 - 9. Explain why the electric utility company...Ch. 6 - 10. Describe how an electric generator is able to...Ch. 6 - Prob. 11QFTCh. 6 - 12. Explain what causes an electron to move toward...Ch. 6 - 1. Explain how the model of electricity as...Ch. 6 - 2. What are the significant similarities and...Ch. 6 - 3. Transformers usually have signs warning,...Ch. 6 - 4. Will a fuel cell be the automobile engine of...Ch. 6 - 5. Analyze the apparent contradiction in the...Ch. 6 - 6. What are the basic similarities and differences...Ch. 6 - 7. What are the advantages and disadvantages of...Ch. 6 - 1. An inflated rubber balloon is rubbed with a...Ch. 6 - 2. What is the force between two balloons with a...Ch. 6 - 3. How much energy is available from a 12 V...Ch. 6 - 4. A wire carries a current of 2.0 A. at what rate...Ch. 6 - Prob. 5PEBCh. 6 - 6. There is a current of 0.83 A through a...Ch. 6 - 7. What is the voltage across a 60.0 resistor with...Ch. 6 - 7. What is the voltage across a 60.0 resistor...Ch. 6 - 9. A lightbulb designed to operate in a 120.0 V...Ch. 6 - 10. What is the monthly energy cost of leaving a...Ch. 6 - 11. An electric motor draws a current of 11.5 A in...Ch. 6 - 12. A swimming pool requiring a 2.0 hp motor to...Ch. 6 - 13. Is it possible for two people to...Ch. 6 - 14. A step-up transformer has a primary coil with...Ch. 6 - 15. The step-down transformer in a local...Ch. 6 - 16. A step-down transformer connected to a 120 V...Ch. 6 - 17. What is the power of an 8.0-ohm bulb when...
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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
- Which of these materials cannot be used as core in electromagnets? O a. soft iron & steel O b. nickel & soft iron O C. soft iron & cobalt O d. steel and nickelarrow_forwardThe direction of the magnetic force on the proton is A. To the right. B. To the left. C. Into the screen. D. Out of the screen. IS E. The magnetic force is zero.arrow_forwardA device that based on the magnetic force that is acting on a current-carrying wire or coil is a(n) a. generator. b. commutator. C. electric motor. d. transformer.arrow_forward
- Which of these materials cannot be used as core in electromagnets? a. steel and nickel b. nickel & soft iron C. soft iron & steel d. soft iron & cobaltarrow_forwardWhen a wire with a current is placed in a magnetic field? A. electrical energy is transformed into mechanical energy.B. mechanical energy is transformed into electrical energy.C. the wire becomes a permanent magnet.D. a short circuit occurs.arrow_forwardA freely suspended magnet rests in the geographic direction. O a. north-east O b. west-north O c. north-south d. east-westarrow_forward
- All magnets A. have two poles.B. exert forces.C.are surrounded by a magnetic field.D. All of the abovearrow_forwardA compass is made of A. aN magnet and a S magnet B. a magnetic needle that is free to rotate C. two magnetic needles that attract each other D. a non-magnetic iron needlearrow_forwardThe magnetization within a bar of some metal alloy is 1.2 x 106 A/m at an H field of 200 A/m. Compute the following 20.6 a. The magnetic susceptibility. b. The permeability. c. The magnetic flux density within this material. d. What type(s) of magnetism would you suggest as being displayed by this material?.arrow_forward
- When north-pole of one magnet is brought near the . of another magnet, they ..... repel one another. O a. north а. O b. south С. east d. westarrow_forwardTwo current-carrying wires are arranged such that the net force between the two wires is attractive. Now the direction of the current is flipped in one of the wires. The new force between the wires is a. repulsive. b. still attractive. c. unknown because more information is needed.arrow_forwardDescribe how the magnetic domains in an unmagnetized iron rod will respond to the presence of a strong external magnetic field. a. The domains will split into monopoles. b. The domains will tend to align with the external field. c. The domains will tend to orient themselves perpendicular to the external field. d. The domains will tend to align so as to cancel out the external field.arrow_forward
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