Physical Science
10th Edition
ISBN: 9780073513898
Author: Bill Tillery
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 6, Problem 36AC
A current-carrying wire has a magnetic field around it because
a. a moving charge produces a magnetic field of its own.
b. the current aligns the magnetic domains in the metal of the wire.
c. the metal was magnetic before the current was established, and the current enhanced the magnetic effect.
d. None of the above is correct.
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Chapter 6 Solutions
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. The speaker in a stereo system works by the...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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