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Reading Quiz Chapter 25

Reading Quiz Chapter 25. Dr. Harold Williams. Reading Quiz . Which of the following will cause an induced current in a coil of wire? A. A magnet resting near the coil. B. The constant field of the earth passing through the coil. C. A magnet being moved into or out of the coil.

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Reading Quiz Chapter 25

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  1. Reading Quiz Chapter 25 Dr. Harold Williams

  2. Reading Quiz • Which of the following will cause an induced current in a coil of wire? A. A magnet resting near the coil. • B. The constant field of the earth passing through the coil. • C. A magnet being moved into or out of the coil. • D. A wire carrying a constant current near the coil. Slide 25-5

  3. Answer • Which of the following will cause an induced current in a coil of wire? A. A magnet resting near the coil. • B. The constant field of the earth passing through the coil. • C. A magnet being moved into or out of the coil. • D. A wire carrying a constant current near the coil. Slide 25-6

  4. Reading Quiz • The speed of electromagnetic waves in a vacuum • A. depends upon the wavelength. B. depends on the photon energy. C. is the same as the speed of sound. D. is the same for all waves regardless of wavelength. Slide 25-7

  5. Answer • The speed of electromagnetic waves in a vacuum • A. depends upon the wavelength. B. depends on the photon energy. C. is the same as the speed of sound. D. is the same for all waves regardless of wavelength. Slide 25-8

  6. Reading Quiz • Comparing infrared and ultraviolet, we can say that A. infrared has longer wavelength and higher photon energy. B. infrared has longer wavelength and lower photon energy. C. ultraviolet has longer wavelength and higher photon energy. D. ultraviolet has longer wavelength and lower photon energy. Slide 25-9

  7. Answer • Comparing infrared and ultraviolet, we can say that A. infrared has longer wavelength and higher photon energy. B. infrared has longer wavelength and lower photon energy. C. ultraviolet has longer wavelength and higher photon energy. D. ultraviolet has longer wavelength and lower photon energy. Slide 25-10

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