AM Wave Representation Online Exam Quiz
AM Wave Representation GK Quiz. Question and Answers related to AM Wave Representation. MCQ (Multiple Choice Questions with answers about AM Wave Representation
Balanced modulator is used to suppress carrier signal to create an SSB or DSB.
Options
A : TRUE
B : FALSE
C : -
D : -
Commercial frequency deviation is __
Options
A : 75 KHz
B : 80 KHz
C : 85 KHz
D : 65 KHz
For classifying a modem as low speed its data rate is __
Options
A : upto 100bps
B : upto 200bps
C : upto 400bps
D : upto 600bps
In FM receiver, role of amplitude limiter is to reduce the amplitude of signals.
Options
A : TRUE
B : FALSE
C : -
D : -
It is suitable to connect woofer from the input through __
Options
A : band pass filter
B : band stop filter
C : low pass filter
D : high pass filter
Power of carrier wave is 500W and modulation index is 0.25. Find its total power?
Options
A : 500W
B : 415W
C : 375W
D : 516W
The radiation at right angles is zero means __
Options
A : l = ?
B : l = ??4
C : l = 2 ?
D : l = ??2
Varacter diode modulator is an indirect way of generating FM.
Options
A : TRUE
B : FALSE
C : -
D : -
What is the main function of a balanced modulator?
Options
A : to limit the noise picked by a receiver
B : to produce balanced modulation of a carrier wave
C : to suppress carrier signal
D : to produce 100% modulation
What is the purpose of peak clipper circuits in radios?
Options
A : prevent overmodulation
B : reduce bandwidth
C : increase bandwidth
D : regulate oscillator input voltage