Waveguides look like _________ cross-section pipes with dimensions of the order of the wavelength to be transmitted.
A. Triangular
B. Circular
C. Rectangular
D. Square
Answer:C
Waveguides look like _________ cross-section pipes with dimensions of the order of the wavelength to be transmitted.
A. Triangular B. Circular C. Rectangular D. Square
Explanation: Waveguides look like rectangular cross-section pipes with dimensions of the order of the wavelength to be transmitted. Waveguides cannot be too small or too large.