Switching Circuit Online Exam Quiz
Switching Circuit GK Quiz. Question and Answers related to Switching Circuit. MCQ (Multiple Choice Questions with answers about Switching Circuit
?Ground Effects? in antenna effects __
Options
A : antenna's radiation
B : antenna's gain
C : antenna's SWR
D : antenna's power
A 1-MHz monopole antenna must be __
Options
A : mounted vertically
B : mounted horizontally
C : atleast half lambda wavelength long
D : atleast lambda wavelength long
A non-resonant antenna will __
Options
A : not transmit
B : not receive
C : cause SWR on the feed cable
D : transmit and receive the signal at the same time
As the length of a long-wire antenna is increased __
Options
A : the number of lobes also increase
B : the number of lobes decrease
C : efficiency increase
D : the number of nodes decreases
FM stereo ___
Options
A : is implemented using an SCA signal
B : has a higher signal to noise ratio than mono FM
C : is not compatible with mono FM
D : uses DSBSC AM modulation
Signal to noise ratio of a frequency modulated system is better than amplitude modulated system.
Options
A : TRUE
B : FALSE
C : -
D : -
The typical antenna in an AM radio is a __
Options
A : dipole
B : helical
C : ferrite ?loop-stick?
D : loop dipole
What will be the effect on power if the distance between the sidebands and center frequency increases?
Options
A : power decreases
B : power increases
C : power remains same
D : power becomes twice of its previous value