Microwave Communication Which of the following operating frequencies is used for the modern loran navigational system? Loran B: 900 kHz Loran C: 100 kHz Loran A: 1950 kHz Loran D: 10.2 kHz Loran B: 900 kHz Loran C: 100 kHz Loran A: 1950 kHz Loran D: 10.2 kHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Rainfall is an important factor for fading of radio waves at frequencies above 100 GHz 100 MHz 10 GHz 1 GHz 100 GHz 100 MHz 10 GHz 1 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The aquadag coating on the inside of PPI tube is used As a second anode and to prevent the build-up of secondary field All of these To shield the electron beam from unidirectional magnetic To focus the beam of primary electrons As a second anode and to prevent the build-up of secondary field All of these To shield the electron beam from unidirectional magnetic To focus the beam of primary electrons ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A traveling-wave tube (TWT) amplifies by virtue of The absorption of energy by the signal from an electron stream The effect of an external magnetic field The energy contained the cavity resonators The energy liberated form the collector The absorption of energy by the signal from an electron stream The effect of an external magnetic field The energy contained the cavity resonators The energy liberated form the collector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Klystron oscillators are most often used in the frequency range of 300 to 3000 MHz 10 to 10000 MHz 30 to 30000 MHz 3000 to 30000 MHz 300 to 3000 MHz 10 to 10000 MHz 30 to 30000 MHz 3000 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Microwave frequencies are normally regarded as those in the range of 1000 to 10,000 GHz 1 to 500 MHz 1 to 100 GHz 10 to 1000 GHz 1000 to 10,000 GHz 1 to 500 MHz 1 to 100 GHz 10 to 1000 GHz ANSWER DOWNLOAD EXAMIANS APP
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