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Solutions for Chapter 25: Fundamentals of Physics: 9th Edition

Fundamentals of Physics: | 9th Edition | ISBN: 9780470556535 | Authors: David Halliday; Robert Resnick; Jearl Walker

Full solutions for Fundamentals of Physics: | 9th Edition

ISBN: 9780470556535

Fundamentals of Physics: | 9th Edition | ISBN: 9780470556535 | Authors: David Halliday; Robert Resnick; Jearl Walker

Solutions for Chapter 25

Solutions for Chapter 25
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Textbook: Fundamentals of Physics:
Edition: 9
Author: David Halliday; Robert Resnick; Jearl Walker
ISBN: 9780470556535

Summary of Chapter 25:

One goal of physics is to provide the basic science for practical devices de1ngl1ed by engineers. The focus of this chapter is on one extremely common example-the capacitor, a device in which electrical energy can be stored. For ex- ample, the batteries in a camera store energy in the photoflash unit by charging a capacitor. The batteries can supply energy at only a modest rate, too slowly for the photoflash unit to emit a flash of light. However, once the capacitor is charged, it can supply energy at a much greater rate when the photoflash unit is triggered-enough energy to allow the unit to emit a burst of bright light. The physics of capacitors can be generalized to other devices and to any situ- ation involving electric fields. For example, Earth's atmospheric electric field is modeled by meteorologists as being produced by a huge spherical capacitor that partially discharges via lightning. The charge that skis collect as they slide along snow can be modeled as being stored in a capacitor that frequently discharges as sparks (which can be seen by nighttime skiers on dry snow). The first step in our discussion of capacitors is to determine how much charge can be stored. This "how much" is called capacitance.

Since 78 problems in chapter 25 have been answered, more than 102404 students have viewed full step-by-step solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. Fundamentals of Physics: was written by and is associated to the ISBN: 9780470556535. Chapter 25 includes 78 full step-by-step solutions. This textbook survival guide was created for the textbook: Fundamentals of Physics:, edition: 9.

Key Physics Terms and definitions covered in this textbook
  • //

    parallel

  • any symbol

    average (indicated by a bar over a symbol—e.g., v¯ is average velocity)

  • °C

    Celsius degree

  • °F

    Fahrenheit degree

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