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Microwave Communication MCQ Questions & Answers | ECE

Learn Microwave Communication MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Microwave Communication MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-5 section-2

Each section contains 100 MCQs on Microwave Communication .
41
Transferred electron bulk effect occurs in which of the following?
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Answer & Solution
Answer: Option B
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42
A 20 B directional coupler is shown in the figure
The power output at port 3 will be
Microwave Communication mcq question image
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Answer: Option B
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43
The cutoff wavelength in a standard rectangular waveguide for the TE11 mode is:
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Answer: Option B
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44
X-band frequencies are in which one of the following ranges?
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Answer: Option C
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45
Which of the following is not a negative resistance device?
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Answer: Option D
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46
An ideal local oscillator for microwave frequency measurements, The most suitable microwave source is a
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Answer: Option B
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47
Evanescent mode attenuation in a waveguide depends upon the
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Answer: Option B
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48
A parametric amplifier has to be cooled
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Answer: Option A
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49
In order to couple two generators to a wave guide system without coupling them to each other one, one could not use a
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Answer: Option B
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50
Consider the following statements:
For a square waveguide of cross section 3 cm × 3 cm it has been found
1. At 6 GHz dominant mode will propagate
2. At 4 GHz all the modes are evanescent
3. At 11 GHz only dominant modes and no higher order mode will propagate
4. At 7 GHz degenerate modes will propagate
Which of the above statements are correct?
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Answer: Option B
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