6. A waveguide is also a :
(a) low pass filter
(b) high pass filter
(c) band pass filter
(d) band stop filter
7. What is the wavelength of a wave in a waveguide ?
(a) greater than in free space
(b) depends only on the waveguide dimensions and the free-space wavelength
(c) inversely proportional to the phase velocity
(d) inversely proportional to the group velocity
8. What is the cut-off frequency of a waveguide ?
(a) the highest frequency the waveguide operates
(b) the lowest frequency the waveguide operates
(c) the same as the operating frequency
(d) the only frequency the waveguide operates
9. The dominant mode for circular waveguide is :
(a) TE11
(b) TM11
(c) TE10
(d) TM10
10. A magnetic field is introduced into waveguide by a :
(a) probe
(b) sipole
(c) stripline
(d) capacitor
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Microwave Waveguides » Exercise - 13. A rectangular waveguide has a width of 1 inch and a height of 0.6 in. Its cutoff frequency is : (a) 2.54 GHz (b) 3.0 GHz (c) 5.9 GHz (d) 11.8 GHz- Microwave Waveguides » Exercise - 14. A waveguide has a cutoff frequency of 17 GHz. Which of the following signals will not be passed by the waveguide ? (a) 15 GHz (b) 18 GHz (c) 22 GHz (d) 255 GHz
- Microwave Waveguides » Exercise - 110. A magnetic field is introduced into waveguide by a : (a) probe (b) sipole (c) stripline (d) capacitor
- Microwave Waveguides » Exercise - 19. The dominant mode for circular waveguide is : (a) TE11 (b) TM11 (c) TE10 (d) TM10
- Microwave Waveguides » Exercise - 18. What is the cut-off frequency of a waveguide ? (a) the highest frequency the waveguide operates (b) the lowest frequency the waveguide operates (c) the same as the operating frequency (d) the only frequency the waveguide operates