Communication Systems If in a broadcasting studio, a 1000 kHz carrier is modulated by an audio signal of frequency range 100-5000 kHz, the width of channel is __________ kHz. 10 995 4.9 5 10 995 4.9 5 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The characteristic impedance of a twin wire feeder used for TV signals is about 1000 ohm 300 ohm 500 ohm 100 ohm 1000 ohm 300 ohm 500 ohm 100 ohm ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Fourier analysis indicate that a square wave can be represented as A fundamental sine wave and harmonics A fundamental sine wave and even harmonics Fundamental and subharmonic sine waves A fundamental sine wave and odd harmonics A fundamental sine wave and harmonics A fundamental sine wave and even harmonics Fundamental and subharmonic sine waves A fundamental sine wave and odd harmonics ANSWER DOWNLOAD EXAMIANS APP
Communication Systems As per Shannon-Hartley theorem, a noise less Gaussian channel has Zero capacity Infinite capacity None of these Small capacity Zero capacity Infinite capacity None of these Small capacity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a TV receiver antenna the length of reflector rod Is less than that of dipole May be equal, more or less than that of dipole Is the same as that of dipole Is more than that of dipole Is less than that of dipole May be equal, more or less than that of dipole Is the same as that of dipole Is more than that of dipole ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Modulation, “carrier” is Voltage for which frequency, phase or amplitude is varied Speech voltage to be transmitted Voltage with constant frequency, phase or amplitude Resultant wave Voltage for which frequency, phase or amplitude is varied Speech voltage to be transmitted Voltage with constant frequency, phase or amplitude Resultant wave ANSWER DOWNLOAD EXAMIANS APP
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