Communication Systems If output power of a radio receiver is doubled, its volume is increased by __________ dB. -3 3 2 1 -3 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems As per Shannon-Hartley theorem, a noise less Gaussian channel has None of these Zero capacity Small capacity Infinite capacity None of these Zero capacity Small capacity Infinite capacity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In case of frequency modulation, modulating voltage remains constant if the modulating frequency is lowered, then Amplitude of distant sidebands remains constant Amplitude of distant sidebands decreases Amplitude of distant sidebands increases Amplitude of distant sidebands first increases, then decreases Amplitude of distant sidebands remains constant Amplitude of distant sidebands decreases Amplitude of distant sidebands increases Amplitude of distant sidebands first increases, then decreases ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The direction of rotation of a CD is Anticlockwise Clockwise Mostly anticlockwise but some times clockwise Clockwise or anticlockwise depending on frequency of data stored Anticlockwise Clockwise Mostly anticlockwise but some times clockwise Clockwise or anticlockwise depending on frequency of data stored ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Phase Amplitude Modulation Phase Analogue Modulation Pulse Amplitude Modulation Pulse Analogue Modulation Phase Amplitude Modulation Phase Analogue Modulation Pulse Amplitude Modulation Pulse Analogue Modulation 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 more than that of dipole Is the same as that of dipole Is less than that of dipole May be equal, more or less than that of dipole Is more than that of dipole Is the same as that of dipole ANSWER DOWNLOAD EXAMIANS APP
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