Communication Systems In TV systems, equalising pulses are sent during Horizontal retrace Vertical blanking Horizontal blanking Serrations Horizontal retrace Vertical blanking Horizontal blanking Serrations ANSWER DOWNLOAD EXAMIANS APP
Communication Systems One of the advantages of base modulation over collector modulation of a transistor class C amplifier is High power output per transistor The lower modulating power requirement Better linearity Improved efficiency High power output per transistor The lower modulating power requirement Better linearity Improved efficiency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In EM waves, polarization Is due to transverse nature of waves Results from longitudinal nature of waves Is caused by reflection Is always vertical in an isotropic medium Is due to transverse nature of waves Results from longitudinal nature of waves Is caused by reflection Is always vertical in an isotropic medium ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In case of low level amplitude modulation system, the amplifiers following the modulated stage must be Harmonic devices Linear devices Non-linear devices Class C amplifiers Harmonic devices Linear devices Non-linear devices Class C amplifiers ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Assertion (A): In FM the frequency of the carrier is varied by the modulating voltageReason (R): FM and PM are two forms of angle modulation. Both A and R are correct but R is not correct explanation of A A is wrong but R is correct A is correct but R is wrong Both A and R are correct and R is correct explanation of A Both A and R are correct but R is not correct explanation of A A is wrong but R is correct A is correct but R is wrong Both A and R are correct and R is correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 10 kHz 3 kHz 50 kHz 1 kHz 10 kHz 3 kHz 50 kHz 1 kHz ANSWER DOWNLOAD EXAMIANS APP
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