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Microwave Waveguides – 1 – 1

1. The most common cross section of a waveguide is a :

(a) square
(b) circle
(c) triangle
(d) rectangle

Answer
Answer : (d)

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

2. Signal propagation in a waveguide is by :

(a) electrons
(b) holes
(c) electric and magnetic fields
(d) air pressure

Answer
Answer : (c)

Explanation
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3. 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

Answer
Answer : (c)

Explanation
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4. 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

Answer
Answer : (a)

Explanation
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5. The dominant mode for rectangular waveguide is :

(a) TE11
(b) TM11
(c) TE10
(d) TM10

Answer
Answer : (c)

Explanation
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