Communication Systems Full duplex operation permits transmission in both directions at the same time. True False True False ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Modulation, “carrier” is Resultant wave Voltage for which frequency, phase or amplitude is varied Voltage with constant frequency, phase or amplitude Speech voltage to be transmitted Resultant wave Voltage for which frequency, phase or amplitude is varied Voltage with constant frequency, phase or amplitude Speech voltage to be transmitted ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The colour of an object is decided by The wavelength transmitted through it The reflected colour None of these Reflected colour for opaque object and wavelength transmitted through it for transparent objects The wavelength transmitted through it The reflected colour None of these Reflected colour for opaque object and wavelength transmitted through it for transparent objects ANSWER DOWNLOAD EXAMIANS APP
Communication Systems When the length of antenna is a whole wavelength The radiation is maximum in all directions The radiation is zero in all directions The radiation at right angles is zero The radiation at right angles is maximum The radiation is maximum in all directions The radiation is zero in all directions The radiation at right angles is zero The radiation at right angles is maximum ANSWER DOWNLOAD EXAMIANS APP
Communication Systems One of the advantages of base modulation over collector modulation of a transistor class C amplifier is Better linearity High power output per transistor The lower modulating power requirement Improved efficiency Better linearity High power output per transistor The lower modulating power requirement Improved efficiency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Directional antenna Frequency diversity Broad band antenna Space diversity Directional antenna Frequency diversity Broad band antenna Space diversity ANSWER DOWNLOAD EXAMIANS APP
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