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Catalina K., Patrick K., and Casey Y.

Catalina K., Patrick K., and Casey Y. Period 4. Cathode-Ray Tubes have 3 electric guns that use 3 primary colors to make images on TV. What are they?. A) red, blue,green B)pink, black, purple C) All of the above.

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Catalina K., Patrick K., and Casey Y.

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  1. Catalina K., Patrick K., and Casey Y. Period 4

  2. Cathode-Ray Tubes have 3 electric guns that use 3 primary colors to make images on TV. What are they? • A) red, blue,green • B)pink, black, purple • C) All of the above

  3. Cathode-Ray Tubes have 3 electric guns that use 3 primary colors to make images on TV. What are they? • A) red, blue,green • B)pink, black, purple • C) All of the above

  4. What type of fields do electric magnetic waves consists of? • A)Electric Field • B)Magnetic Field • C)Both

  5. What type of fields do electric magnetic waves contain? • A)Electric Field • B)Magnetic Field • C)Both

  6. The number of waves passing a given point each sound is what? • A) Amplitudes • B) Frequency • C) Fuzz

  7. The number of waves passing a given point each sound is what? • A) Amplitudes • B) Frequency • C) Fuzz

  8. _______ are an analog signal that represents sound waves. • A)Communication Satellite • B) Electric Currents • C) Electricity

  9. _______ are an analog signal that represents sound waves. • A)Communication Satellite • B) Electric Currents • C) Electricity

  10. _________ made the first telephone in 1876. • A) George Washington • B) Benjamin Franklin • C) Alexander Graham Bell

  11. _________ made the first telephone in 1876. • A) George Washington • B) Benjamin Franklin • C) Alexander Graham Bell

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