Comparison Between FM and PM Online Exam Quiz
Comparison Between FM and PM GK Quiz. Question and Answers related to Comparison Between FM and PM. MCQ (Multiple Choice Questions with answers about Comparison Between FM and PM
Costa's receiver is used for __
Options
A : coherent detection of AM-SC signal
B : asynchronous detection of AM-SC signal
C : amplification of signal
D : frequency mixing of signal
Helical antenna is mainly used for __
Options
A : bandwidth calculation
B : production of video signals
C : radio transmission
D : satellite tracking
Image frequency is given by __
Options
A : fs + fi
B : fs ? fi
C : fs + 2fi
D : fs ? 2fi
In frequency modulation, there is a large increase in noise and hence increase in the signal to noise ratio.
Options
A : TRUE
B : FALSE
C : -
D : -
Sampling frequency of a compact disk is about __
Options
A : 30 KHz
B : 50 KHz
C : 10 KHz
D : 70 KHz
What is number of possible outputs if there is 7 line digital input?
Options
A : 64
B : 32
C : 16
D : 128
What is the frequency of the stereo sub carrier signal in FM broadcasting?
Options
A : 19 KHz
B : 45 KHz
C : 55 KHz
D : 38 KHz
Which of the following is not necessarily an advantage of FM over AM?
Options
A : less modulating power is required
B : better noise immunity is provided
C : higher bandwidth is required
D : carrier is of any shape
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