For l << ?, the equivalent circuit of a microwave resistor is

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Question
For l << ?, the equivalent circuit of a microwave resistor is
Options
A.
B.
C.
D.

Correct Answer

Microwave Communication problems

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1. Consider the following statements about radar Beacon
1. It is also called transponder.
2. It includes pulse transmitter, receiver and antenna.
3. It replies with full power even when the signal receives is weak.
Which of the above statements are correct?
Options
A. All
B. 1 and 2 only
C. 2 and 3 only
D. 2 only

6. The usable bandwidth of ridge wave guide
Options
A. is lower than that of rectangular waveguide
B. is higher than that of rectangular waveguide
C. is almost same as that of rectangular waveguide
D. is very small as compared to that of rectangular waveguide

7. A short circuited stub is preferred to an open circuited stub because an open circuited stub
Options
A. is more difficult to fabricate and construct
B. is made of transmission line of different Z₀
C. is liable to radiate
D. is incapable of giving full range of reactance

8. A square waveguide carries TE₁₁ mode whose axial magnetic field is given by H_z = H₀ , where the guide dimensions are in cms. The cut off frequency of the mode is
Options
A. 5 GHz
B. 7.5 GHz
C. 6.5 GHz
D. 8 GHz

9. If air pressure in a rectangular waveguide is increased the maximum power handling capacity
Options
A. is decreased
B. is increased
C. remains the same
D. may increase or decrease depending on pressure

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