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A ____ is a hollow metallic tube with a consistent cross-section for transmitting electromagnetic waves by consecutive reflections off the tube's interior walls

40. A ____ is a hollow metallic tube with a consistent cross-section for transmitting electromagnetic waves by consecutive reflections off the tube's interior walls.

1. Waveguide
2. Magnetic lines
3. Group velocity
4. Traverse magnetic mode

Answer: A) Waveguide

Explanation:

A Waveguide is a hollow metallic tube with a consistent cross-section for transmitting electromagnetic waves by consecutive reflections off the tube's interior walls.