Microwave Communication A magnetron is operated at a duty cycle of 0.001. It has a peak power output of 100 kilo-watts. Its average power is 10,000 watts 1,000 watts 100 watts 1,000,000 watts 10,000 watts 1,000 watts 100 watts 1,000,000 watts ANSWER DOWNLOAD EXAMIANS APP
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 Its electrical dimensions Its physical dimensions The capacitor which tunes it The mode of operation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The coarse frequency adjustment of a reflex klystron is accomplished by Varying the repeller voltage The AFC system Adjusting the flexible wall of the resonant cavity An adjustment in the synchronizer Varying the repeller voltage The AFC system Adjusting the flexible wall of the resonant cavity An adjustment in the synchronizer ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What is the purpose of the electromagnetic field which surrounds a traveling-wave tube? To keep the electrons from spreading out To slow down the signal on the helix To accelerate the electron To velocity modulate the electron beam To keep the electrons from spreading out To slow down the signal on the helix To accelerate the electron To velocity modulate the electron beam ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Microwave frequencies are normally regarded as those in the range of 1 to 500 MHz 1000 to 10,000 GHz 10 to 1000 GHz 1 to 100 GHz 1 to 500 MHz 1000 to 10,000 GHz 10 to 1000 GHz 1 to 100 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following operating frequencies is used for the modern loran navigational system? Loran D: 10.2 kHz Loran A: 1950 kHz Loran C: 100 kHz Loran B: 900 kHz Loran D: 10.2 kHz Loran A: 1950 kHz Loran C: 100 kHz Loran B: 900 kHz ANSWER DOWNLOAD EXAMIANS APP
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