Threshold Effect in FM Online Exam Quiz
Threshold Effect in FM GK Quiz. Question and Answers related to Threshold Effect in FM. MCQ (Multiple Choice Questions with answers about Threshold Effect in FM
?Ground Effect? in antenna caused by __
Options
A : faulty connection of the feed cable ground
B : fading
C : buildings and other structures on ground
D : radio signals reflecting off the ground
Measured on the ground, the field strength of a horizontally polarized half wave dipole antenna is strongest __
Options
A : in one direction
B : in two directions
C : depends on the number of elements
D : depends on the shape of antenna
The polarization of plane waves received from satellite is changed by __
Options
A : Faraday rotation
B : Gamma rays
C : Helical rotation
D : Distance travelled
The real part of an antenna's input impedance is due to __
Options
A : SWR
B : radiated signal
C : reflected signal
D : refracted signal
What is the full form of ERP?
Options
A : Effective Radiated Power
B : Effective Reflected Power
C : Equivalent Radiated Power
D : Equivalent Reflected Power
What is the other name for half-wave dipole antenna?
Options
A : Helical antenna
B : Isotropic antenna
C : Hertz antenna
D : Maxwell antenna
When an antenna radiates more energy in one direction than in other directions, it is called __
Options
A : selectivity
B : directivity
C : active antenna
D : resonance
Which system is free from noise?
Options
A : FM
B : AM
C : PCM
D : PM