Electronics and Communication Engineering - Microwave Communication

16. 

Frequency range for satellite communication is

A. 1 kHz to 100 kHz
B. 100 kHz to 10 MHz
C. 10 MHz to 100 MHz
D. 1 GHz to 30 GHz

Answer: Option D

Explanation:

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17. 

For a given operating frequency a waveguide has more power handling capacity than a coaxial line.

A. True
B. False

Answer: Option A

Explanation:

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18. 

VSWR = Emax/Emin.

A. True
B. False

Answer: Option A

Explanation:

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19. 

Power monitor and reflectometer use the principle of

A. directional coupler
B. klystron amplifier
C. Gunn diode
D. TWT

Answer: Option A

Explanation:

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20. 

A line slightly longer than length and short circuited at far end behaves as

A. an inductance
B. a capacitance
C. L and C in series
D. L and C in parallel

Answer: Option B

Explanation:

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