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Home Q & A Board Science-Related Homework Help Engineering Electrical Engineering
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ggull329 ggull329
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6 years ago
Why is a waveguide often pressurized with nitrogen?
 
  A. To prevent contamination
  B. To change the plane of polarization of the wave
  C. To attach or weld a metal plate at the end of the waveguide
  D. To prevent reflections
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meek2199meek2199
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6 years ago
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ggull329 Author
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6 years ago
This site is awesome
Shuqin
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Yesterday
Good timing, thanks!
vernonb
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2 hours ago
Helped a lot
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