Microwave Communication What allow microwave to pass in only one direction? Varactor-triac Ferrite emitter RF emitter Capacitor Varactor-triac Ferrite emitter RF emitter Capacitor ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the Inter-electrode capacitance Distributed lead inductance Electron transit time Degree of emission from the cathode Inter-electrode capacitance Distributed lead inductance Electron transit time Degree of emission from the cathode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 6370 mi 8493 km 8493 mmi 6370 km 6370 mi 8493 km 8493 mmi 6370 km ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What do you call an attenuation that occurs over many different wavelengths of the carrier? Rayleigh fading Wavelength fading Rician fading Slow fading Rayleigh fading Wavelength fading Rician fading Slow fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A thin layer of dirt and grime coverts the reflecting surface of the parabolic dish of a radar set. The particular effect on the performance of the radar will be A decrease in gain A decrease in range A reduction in horizontal resolution No noticeable effect A decrease in gain A decrease in range A reduction in horizontal resolution No noticeable effect ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Klystron tube Thyratron tube Both B and C Tunnel diode Klystron tube Thyratron tube Both B and C Tunnel diode ANSWER DOWNLOAD EXAMIANS APP