The following is true concerning waveguides:

No comments yet

Be the first to share your thoughts!

🔍 Key Concepts

• Waveguides confine and direct electromagnetic waves, not DC current like ordinary wires • In rectangular waveguides, electric (E) and magnetic (H) fields have specific patterns of where they are strongest and weakest • Understand what is meant by center vs. edges (walls) of the waveguide for the field distribution

💭 Think About

• Visualize a rectangular waveguide cross‑section: where would the fields tend to be forced to zero because of the conducting metal walls? • For the dominant mode in a typical rectangular waveguide, does the magnetic field loop around and concentrate near the conducting surfaces, or peak in the free space away from the walls? • Which options describe actual electromagnetic field behavior in a hollow metal pipe guiding microwaves, and which sound like vague or incorrect descriptions?

✅ Before You Answer

• Be clear on the difference between electric field strength and magnetic field strength and where each is maximum/minimum in a rectangular waveguide • Check which options use non‑standard or unclear terms (like ancillary deflection) that are unlikely to describe real waveguide physics • Focus on how boundary conditions at conducting walls affect field strengths: at a perfect conductor, tangential E-field goes to zero, but what happens to the H-field nearby?

🔍 Key Concepts

💭 Think About

✅ Before You Answer