Microwave Waveguides – 1 – 2

6. A waveguide is also a :

(a) low pass filter
(b) high pass filter
(c) band pass filter
(d) band stop filter

Answer
Answer : (b)

Explanation
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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

Answer
Answer : (a)

Explanation
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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

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

9. The dominant mode for circular waveguide is :

(a) TE11
(b) TM11
(c) TE10
(d) TM10

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

10. A magnetic field is introduced into waveguide by a :

(a) probe
(b) sipole
(c) stripline
(d) capacitor

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

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