Microwave resonators are used in
Microwave/Satellite Communication

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University
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Medium
Mac Aban
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65 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
microwave oscillators
microwave narrow band amplifier
microwave frequency metres
all of the above
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In microwave system the function of mode filter is
to suppress modes with lower cut off frequencies
b. to suppress modes with higher cut off frequencies
to change mode of wave transmission
both (b) and (c)
c. to change mode of wave transmission
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Atomic and molecular resonance is observed in many substances
at microwave frequencies
at low frequencies
at frequencies used in AM broadcast
at both (light blue) and (yellow)
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Microwave links are typically 50 km apart
because of atmospheric attenuation
because of output tube power limitation
because of earth's curvature
to ensure that applied dc voltage is not excessive
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Satellite communication systems use the frequency band
10 to 20 MHz
50 to 70 MHz
3 to 6 GHz
100 to 120 GHz
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The characteristic impedance of a cable is about
300 Ω
50 Ω
5 Ω
2 Ω
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
For a directional coupler the power is in the ratio of
40 dB
30 dB
20 dB
10 dB
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