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 mode π/4 mode π/2 mode 2π mode π mode π/4 mode π/2 mode 2π mode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Magnetron Reflex-klystron Klystron Thyratron Magnetron Reflex-klystron Klystron Thyratron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What is the purpose of the electromagnetic field which surrounds a traveling-wave tube? To slow down the signal on the helix To velocity modulate the electron beam To keep the electrons from spreading out To accelerate the electron To slow down the signal on the helix To velocity modulate the electron beam To keep the electrons from spreading out To accelerate the electron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction? Wave trap Isolator Circulator Tunnel diode Wave trap Isolator Circulator Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. Fathometer Echosounder SONAR LORAN Fathometer Echosounder SONAR LORAN ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon Its electrical dimensions The mode of operation The capacitor which tunes it Its physical dimensions Its electrical dimensions The mode of operation The capacitor which tunes it Its physical dimensions ANSWER DOWNLOAD EXAMIANS APP
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