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Microwave Communication

Microwave Communication
If the instantaneous RF potentials on the two sides of a magnetron cavity are of opposite polarity, the operation is in the

π/2 mode
π mode
π/4 mode
2π mode

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Microwave Communication
Klystron oscillators are most often used in the frequency range of

10 to 10000 MHz
300 to 3000 MHz
3000 to 30000 MHz
30 to 30000 MHz

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Microwave Communication
A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the

Output power would increase
Bunching would occur earlier in time
Oscillation will cease
The frequency will decrease

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Microwave Communication
The resonant frequency of a cavity resonator depends upon

Its electrical dimensions
Its physical dimensions
The capacitor which tunes it
The mode of operation

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Microwave Communication
__________ is the progressive decrease of signal strength with increasing distance.

Attenuation
Radiation
Propagation
Modulation

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Microwave Communication
Which causes multipath or frequency selective fading?

Further reflector
Small reflector
Nearer reflector
Large reflector

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MORE MCQ ON Microwave Communication

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