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Home Q & A Board Science-Related Homework Help Engineering Electrical Engineering
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Zoeyismycat Zoeyismycat
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6 years ago
When did the first practical use of waveguides occur?
 
  A. Development of microwaves
  B. Development of Doppler radar for traffic control
  C. Development of radar during World War II
  D. Development of radar for space rendezvous
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leg17leg17
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6 years ago
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Zoeyismycat Author
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6 years ago
Thanks for your help!!
byehoe
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This calls for a celebration Person Raising Both Hands in Celebration
Danivalda
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2 hours ago
This helped my grade so much Perfect
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