Comparison Between PM and AM Online Exam Quiz
Comparison Between PM and AM GK Quiz. Question and Answers related to Comparison Between PM and AM. MCQ (Multiple Choice Questions with answers about Comparison Between PM and AM
A cordless telephone that uses separate frequencies for transmission in base and portable units is called ___
Options
A : half duplex
B : duplex
C : simplex
D : one-way communication
A duplex arrangement use separate frequencies for transmission.
Options
A : TRUE
B : FALSE
C : -
D : -
Circular polarization involves critical alignment between transmitting and receiving antenna.
Options
A : TRUE
B : FALSE
C : -
D : -
Find the step size of a signal with peak to peak amplitude of 8V and is quantized into 40 levels?
Options
A : 0.8
B : 1
C : 0.2
D : 0.6
High IF in superheterodyne receiver __
Options
A : improves fidelity
B : improves selectivity
C : improves sensitivity
D : increases tracking problems
If the step size of a system is 0.0721, find its quantization power?
Options
A : 3.25 x 10-3
B : 4.33 x 10-4
C : 4.33 x 10-2
D : 3.25 x 10-1
It is only the reflected color that decided the color of an object.
Options
A : TRUE
B : FALSE
C : -
D : -
VSB modulation is used in televisions because it avoids phase distortion at low frequencies.
Options
A : TRUE
B : FALSE
C : -
D : -
Which polarization is used to reduce the depolarization effect on received waves?
Options
A : Circular polarization
B : Linear polarization
C : Atomic polarization
D : Dipolar polarization
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