Microwave Communication What allow microwave to pass in only one direction? Varactor-triac RF emitter Capacitor Ferrite emitter Varactor-triac RF emitter Capacitor Ferrite emitter ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the Distributed lead inductance Inter-electrode capacitance Electron transit time Degree of emission from the cathode Distributed lead inductance Inter-electrode capacitance Electron transit time Degree of emission from the cathode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Large reflector Small reflector Nearer reflector Further reflector Large reflector Small reflector Nearer reflector Further reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A traveling-wave tube (TWT) amplifies by virtue of The effect of an external magnetic field The energy liberated form the collector The energy contained the cavity resonators The absorption of energy by the signal from an electron stream The effect of an external magnetic field The energy liberated form the collector The energy contained the cavity resonators The absorption of energy by the signal from an electron stream ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication At what position is the input signal inserted into a traveling-wave tube? At the control grid of the electron gun At the collector At the collector end of the helix At the cathode end of the helix At the control grid of the electron gun At the collector At the collector end of the helix At the cathode end of the helix ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The main frequency determining element of a klystron is Its resonant cavity Its mode of operation The accelerating voltage The repeller voltage Its resonant cavity Its mode of operation The accelerating voltage The repeller voltage ANSWER DOWNLOAD EXAMIANS APP
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